Mercury mark 25 specs NOTE: Mercury DOES NOT Use Model Years For Parts Lookup. 6 cubic inches, and the Mark 58A is about 44-cubic inches. ) Mark 55-55E: Part 2: Part 2: Part 3: Part 3: Part 4 : Mark 25: Merc 200 Full Gear Shift: Part 2: Part 2 : Mark 30-30E: Merc 39-40 2 Engine specifications. Found a ’56 Mark 30 in upstate NY and worked on it all last winter (and pretty much ever since). 1500J Posts: 3254 Mercury Racing: KG4-H, KG7-Q(2), KG9-Q, Mark 20H(2), Mark 20H Popper(4), Mark 25H, 25xs, Mark 30H, 400H, Mark 55H-1 May 31, 2017 · Yes, the A models were 20th anniversary models, 1959 only. This first set is how they looked,more or less, from the factory in 1957. 25 TwoStroke outboard motor pdf manual download. Go. DVA: Chg. Mark 20H Parts List. Pricing and Specs *($5 /8%( &$3$&,7< &+$57 7klv jhduoxeh fdsdflw\ fkduw lv olplwhg wr uhfhqw prghov dqg kdv ehhq ghyhorshg wr dlg lq ghwhuplqlqj krz pxfk jhduoxeh wr kdyh rq kdqg zkhq vhuylflqj Dec 21, 2016 · What is the value of a pristine restored red mercury mark 25? Thanks. FourStroke outboards bring big capabilities to small vessels. B. To adjust the max Brunswick Marine in EMEA Download Center - Home Page OldMercs. 5hp tillers to 400hp Verado V10s and allows you to select from multiple models effortlessly, customise configurations to their exact specifications, explore recommended retail prices, and choose from various rigging options across the FourStroke Aug 1, 2023 · Re: Merc Mark 55 Thuderbolt 4 specs Post by Yellowjacket » Fri Aug 04, 2023 12:28 am I did find an MCM that was 144 Ah and it weighed 108 lbs (48v) and if you have 324 lbs of battery you can drive about 30 hp for an hour. taken to the parts available. my old johnson 25hp was the toughest motor ive seen but it was 20 years newer (1982) I sold it though since i figured another year or two pushing a boat rated for an 80hop would Feb 21, 2023 · I have come across a 1955 Mercury Mark 40, serial 825853, and have several questions. Jun 2, 2012 · Re: 1958 mercury mark 28 super hurricane No idea what it's worth - you haven't given us much to go on. Pre-Owned. A major advantage for small vessels and heavy loads. 20. Oils, lubricants or fluids changed as a Mark Daniels Jr. Seeing a need for true race engines,they introduced the KG-4H and the KG-7H. Both the powerhead and gear case were completely rebuilt. 1955 Hurricane 18hp (860979 thru 906751) 1956-58 OldMercs. This Chart Is For. (25-80hp) View all Mastering Dock Fishing for Bass with Mark The all new Mercury 25hp and 30hp EFI fourstroke outboards are built for your biggest adventures. 6 Full Throttle RPM Range 4500‑5500 5000‑6000 Idle Speed in Forward Gear 750 ± 50 RPM Page 24: Installation Mercury Marine is the world's leading manufacturer of recreational marine propulsion engines. The Mark 58 is the "holy grail" of classic Mercury runabout motors. Participant. 1950 CZT Penn Yan Swift, 1957 Alumacraft FD, 1985 Larson Senza w/Merc 1150, Page 23: 20/25 Specifications Serial Number XXXXXXXX XXXX XXXX ob01356 Serial number Year manufactured Model year Certified Europe Insignia (as applicable) Model designation 20/25 Specifications Models Horsepower Kilowatts 14. 1955 Hurricane 18hp (860979 thru 906751) 1956-58 Apr 28, 2016 · get everything aligned within original specs. Maybe the reason is that OMC bumped their hp ratings from 15 hp to 18 hp during this time frame, and Mercury could not stand to be second best. Mercury has never really used model years for much of anything other than "sales tools" in dealerships. We stock parts from 1940 to the present. These engines got a lot of guys started into racing. The 44 c. 4 References. Quick and compact. Also for: 30 series, 30eh, 30e, 25m, 30m, 25 2-stroke, 30 2-stroke. 1955 Hurricane 18hp (860979 thru 906751) 1956-58 Mercury tune up specifications are the same as Ford specs shown above and below except as noted in red color. Specifications For Mercury 2-Stroke Nov 9, 2012 · there was a 150 xr2 and a 200 xr2, the 200 xr2 was used in uk/europe 3c offshore racing they have smaller carbs than a 2. Blue on top White on the lower end. 99 . 956420 thru 1051986. Jun 12, 2003 · I have a Mercury Mark 25 Ser# 1008930. Light and efficient, SeaPro outboards help you move more with less fuel, while delivering the power, speed and acceleration you need to keep your operations running on time. MerControl Parts Diagram. Pressure Tank Parts Diagram THE BASICS:Here's some photos of the Mercury Mark 75 H (or 75HA as Merc referred to it as). It was the first year for the 44 cubic inch Super Thunderbolt powerhead and the last year for the "round top" cowling. also the plugs to use and the gap for the points and plugs. I have done extensive Internet research and been less than satisfied with the amount of infomation. Now a collectable, still being raced at C. Model Horsepower Serial Range Year 9. 4 - 6 HP 7. OWNERS MANUAL Nov 12, 2003 · The 'A' designation on any Mark-series motor means 1959. F. The built-in alternator charges the boat's battery. com is your one stop shop for all Mercury parts. Mercury 25 and 30hp FourStroke outboards make light work of your biggest adventures. We would like to show you a description here but the site won’t allow us. May 31, 2017 · Yes, the A models were 20th anniversary models, 1959 only. View and Download Mercury 25 Series owner's manual online. who restores old wooden boats. If you are the machinist probably just an interesting job on lathe or mill. Crated for shipping Be sure to check out our newest additions to the site "Vintage parts misc" and "Vintage literature" we will be adding many new unique items in the coming weeks Find Mercury Mark & Kiekhaefer Mark 25, 25E Outboard Motor Parts by All Engine Parts & Diagrams. Thanks for the sources for Merc parts, etc. DISCLAIMER. OldMercs. 0 out of 5 stars. Power tilt and trim, available for 25 and 30hp FourStroke outboards, lets you adjust the running attitude with the push of a button. The serial number format includes: a number, a letter and six numbers (ex. Any info will be Appreciated!!! OldMercs. Canada Member . Feb 25, 2014 · Start date Feb 25, 2014; N. The Mark 20H was the most popular class in Stock Outboard racing in the 60’s and 70’s. it is. This motor is in good shape and I mainly fish so I would love to Get it running. . Complete restored motor above, display only. May 11, 2009 · For some unknown reason, the sectional division of the Mark 75H mid section and foot has been incorrectly carried over to the Alterscale Mark 30H and Mark 55H. 1994-1996. 5 200 and 16amp electrics and like timm says offshore saddle, light cowl, cle box, 7000 rpm, nic bores, not ideal for heavy boats as less torque than the 2. Serial numbers not available. Opens in a new window or tab. negativecold13 Cadet. Revise Search: All Models > Mark 25, 25E > All Serial Numbers. 1958 Kiekhaefer Mercury Mark 28 Classic Outboard Boat Motor These are rated at 22up and the transmission is quite interesting and unique. Mark 6 & 6A Parts List. Efficient and easy to own. Maybe your Mark 15 has a stop on the mag plate that limits maximum advance? If not that can be set as well. Jan 31, 2011 · 25 posts • Page 1 of 1. Our new Engine Configurator offers real-time pricing on a wide range of outboard engines, from 2. An exhilarating ride like no other. video on how to set the timing on an ADI ignition! To set idle timing screw in/out the lower screw on the throttle arm until you hit specs. ONCE AROUND THE GLOBE. Reliable and durable. We WILL need your serial number to look up correct parts. 1955 Hurricane 18hp (860979 thru 906751) 1956-58 Sep 21, 2015 · Hello all just recently acquired a 56 Mark 25 hurricane motor that was used on a vintage hydro built in Michigan in the late 50's early 60's also have access to the hydro but it needs to be recovered. 25 Jet 4-Stroke outboard motor pdf manual download. Original Mercury Marine Part Available from Mercury Authorized Dealers beginning in July, the new lineup includes 25 and 30hp FourStroke outboards and a 25hp SeaPro™ outboard for commercial applications. Sticker price was 1300$. i. Some feel they are Jan 20, 2014 · In this manual the 1955 Mark 25 motor was rated at 18 up at 4500 rpm while the 1956 thru 1958 Mark 25s were rated at 20 hp at 5400 rpm. How would I verify that? The information I have found so far indicates 25 horsepower sometimes followed by a plus sign. The powerheads were to remain stock, but Mercury fitted these motors with open exhaust and a racing gearcase with no neutral or reverse gear. <br /> The Mark 58A and Mark 55 are quite similar with some significant differences. 1955 Hurricane 18hp (860979 thru 906751) 1956-58 Aug 17, 2011 · The Mark 10 has just 4 cubic inch less displacement than the 22 HP Mark 28. Mercury's software. Due to a rather large gap between the Mark 25 (20 hp) and the Mark 55 (40 hp), Mercury brought out the 4 in line Feb 12, 2021 · 1956 Glasspar Runabout Mercury Mark 25 test 1956 Glasspar Del Mar Mercury Mark 55 test 1957 Brochure: 1957 Brochure, p1 1957 Brochure, p2 1957 Brochure, p3 It's a 1953 Mercury Mark 15 / 10 HP - Serial Number 598790!! THIS MOTOR HAS BEEN SOLD !! 1955 Mark 25; 1955 Mark 5; 1956 Mark 6; 1957 Mark 10; Oliver; Scott OldMercs. 1955 Mercury Mark 25E, 18hp The Mk25E is one of the toughest outboards to restore, primarily because all the electrical components packed under the cowl. Mercury Model Year Guide . Locate your motor below. Pound for pound, it’s hard to beat the capabilities of Mercury 15 and 25hp SeaPro™ outboards. 8 18. Mark 35A-55A-58-58A : Part 2: Merc 850-1000: Part 3: Part 2 : Part 3: Mark 10-10A-15A: Part 4: Part 2 : Merc 650: Mark 28-28A, Merc 100-150-200-250: Part 2: Part 2: Part 3: Part 3: Part 4: Part 4 : Merc 350 (2 Cyl. 5 efi OldMercs. Sep 19, 2020 · Hi Sorry such a long time to reply. Completely restored 1959 Mercury Mark 58A, 45 hp, for Joe Clary of La. I am a regular guyI am not a professional mechanic I have a experience with automechanics and understand the concepts of a normal combustion engine. These motors were rated at 45+ horsepower and incorporate 12 volt electric starting. Note: Valve specs shown here are from the Ford Service Manuals (1949-51 and 1952). show a video of how it pushes the boat its going on. Feb 25, 2014 #1 1954 Mercury Mark 20 vs. Mark 6 and 6A motors, made from 1956 through 1959, have their model number stamped on the swivel bracket, just below the powerhead (the internal combustion engine at the top of the motor). Jun 5, 2020 · Watch out for the infamous Mark 25 auto-shift feature: Start her up and idle in neutral, then it may suddenly shift into forward on it’s own, especially if you rev the throttle a bit…. 2 •5 @ 4200 for KF3 & 5 / Mark 5 Parts List. So Mercury had the 35 to 45 hp range pretty well covered in 1959! Locate the serial number label on the transom bracket of your outboard. If the ID plate is in front, just below the motor cover, and the motor has four cylinders, it's probably a Mark 30, built between 1956 and 1958. 9 HP 15 - 25 HP 30 - 40 HP (2-CYL) 40 (4-CYL) - 50 HP 60 - 100 HP 115 - 150 HP 175 - 300 HP SPECIAL HIGH-PERFORMANCE OUTBOARDS. Arranged by Horsepower. Renamed the Kiekhaefer Corporation, he produced outboard motors for Montgomery Wards and Western Auto and his own line of Mercury outboards, Quicksilver Accessories, and Ride-Guide Steering. Electronic fuel injection (EFI) provides surefire starts in any weather. 6 inch pitch. KH7 / Mark 15 & 20 Parts List. So Mercury had the 35 to 45 hp range pretty well covered in 1959! Aug 2, 2013 · 2003-2005 25 HP Mercury 2-Stroke Tiller Hand-Driven Mark . the running of that is located on JOMS There were 6 of those lower units built, 3 with 1-1 gears & 3 with 14-20 gears, they had a Speedmaster experimental foot, when the testing was done at Seattle, by Jack Leek . 4-cylinder, 2-carburetor. Sorry for the marginal quality. Mark 20H; Difference Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: WGA-A: Lincoln Mark Series '69-'71 Thunderbird '69-70 OldMercs. westwind. – Give Others a Chance Mercury Introduces All-New 25 and 30hp Outboard Engines; Engine Specifications by Horsepower Jan 8, 2023 · Here are a couple of pages from my manual. Corrosion damage caused by improper application of copper base anti-fouling paints is also not covered by this limited warranty. 25 4-Stroke outboard motor pdf manual download. Step One: press upper ball bearing (old one) back into the crankcase. The late 50’s mercury Mark 25’s (18 to 20 hp) are often found with bad lower units. 9 901627 thru 1051988 1956 Mark 25 Hurricane 20 956420 thru Jun 12, 2003 · I have a Mercury Mark 25 Ser# 1008930. View and Download Mercury 25 Jet 4-Stroke manual online. 5. Fond du Lac, Wise. That displacement, carb size, ports, and much larger propeller is the difference. 5 and need rebuilding within similar hours to a 2. I am not sure the 10 and 15A have the same gears in the lower unit or not. Also for: 30 twostroke. The year is now normally noted on the serial number sticker. Mark 25E. Any info will be Appreciated!!! Jul 15, 2008 · Re: '58 Mercury Mark 10 Mix? I have a couple of those old mercs which still run but have not used them for years,a Mark 25 and a Mark 20 and it seems like I was running 20:1 or 25:1 which was the recommended mixture at that time based on the oil that was available back then. Can anyone tell me what year and hp. 00. Sporting their pretty green tanks and silver lower ends. DVA 72-74: 4-5\20 Mark 20H Hurricane 16+ 786613 thru 790612 1954 -56 Mark 6 Comet (Silent Six) 5. 1959 was the last year Mercurys were available in different colors: This The first Mercury racers were just stock fishing engines. 1956 MERCURY MARK 25 FRONT COWL COVER 147-834 BOAT MOTOR OUTBOARD. May 18, 2007 · This was reflected in the engines by lots of weird stuff like fine threads, left-hand threads, and assemblies requiring lots of special tools for disassembly. Second (2) (full throttle, motor in test tank), rotate throttle cam to align cam mark with throttle roller Aug 1, 2009 · Re: Mercury Mark 25 that is some oldschool **** right there, cool that your restoring it but it looks weak lol. jestor68 Commander. December 21, 2016 at 11:12 pm #49550. 1955 Hurricane 18hp (860979 thru 906751) 1956-58 The 1954 Mercury Mark 20H Stock Closed Exhaust Blueprinting and Machining Specifications by Machinist and Club Member, Mike Petty. May 21, 2005 · Merc 25 HP #6185448 -- Have document on timing that says: First (1)(full throttle, motor in test tank), adjust spark advance linkage to align 3 dots (on flywheel)with reference mark. Most significant is the displacement, as the Mark 55 is 39. It's a 1953 Mercury Mark 20 / 16 HP - Serial Number 706564 Nov 1, 2015 · Yes, I had that motor & test ran it with a stock restored Mk25 powerhead. Mark 55 Parts List. Mercury Outboard Ignition Troubleshooting Reference Chart. This engine which is in the Marlin Blue and Gulf Blue livery was built for Paul Raab, another fabulous supporter and collector. 1955 Hurricane 18hp (860979 thru 906751) 1956-58 Feb 1, 2011 · Stan Augustine Mark 30 tiller, (2)Mark 55, Mark 58A (2)Merc 200 FGS, Merc 450, Merc 500. Mark 25. The information provided on these pages is correct to the best of my knowledge, however the MasterTech makes no warranty, express or implied, regarding the use of, results of, or liability created from, application of this data. lower left hand corner the CE mark. The split on the Mark 75H model is correct - it follows the true construction form of the rare Mercury racer and divides the motor through the middle of the exhaust outlet; half on the OldMercs. Mercury Mark 25 outboard for sale $1600. The serial numbers ranged from 75HA1200065 - 75HA1200090. The MOTORS MANUAL differs slightly on valve clearance specs. In 7. SERVICE MANUAL Mercury Mark 5,6 & 6A MERCURY KIEKHAEFER CORP. 1955 Hurricane 18hp (860979 thru 906751) 1956-58 Mercury Precision Parts or Quicksilver MerCathode system and/or Galvanic Isolator. Lookup Mercury Mark & Kiekhaefer mark 55ae, 55am, 58ae, 58e outboard motor parts by component and buy discount parts from our large online inventory. 5 - 9. Year: HP: Trigger Cranking Min. Page 11 Use of other than Mercury Precision or Quicksilver parts when making warranty repairs. There are many factors involved in this, between fundamental design and worn, stuck or twisted parts. I did manage to find a vintage "deadman's throttle", for which I paid $25. To maintain secrecy Kiekhaefer began calling his new “undisclosed location” Lake X. The motor started with the third pull of the rope. I got it from Tim's Outboard, and it's in great shape. So if your serial number is "01234567" you would use only. Mercury sold the motors until the last production run was gone in 1960. We have genuine Mercruiser and Mercury engine oil for sale at discounted prices when ordering online. The infamous Mark 20 is a beautiful classic engine. I'm sure you can help me. Jun 1, 2010 · This is meant to show the full restoration of a 1957 Mercury mark 55 40 hp outboard motor. View and Download Mercury 25 TwoStroke operation, maintenance and installation manual online. Is it completely restored and in need of a minor repair or is it a scrap heap refugee? Mark 28s aren't the most desirable of old Mercs, due in part to their tricky waterpump replacement procedure requiring special tools and patience. Pictures attached. Mercury Mark 58A. 54935 MARK 5, 6 AND 6A Year Produced 6 hp 1955 Mark 5 Mark 6 1956 Mark 6 1957 Mark 6 1958 Mark 6 1959 Mark 6A CONDENSED SERVICE DATA TUNE-UP Hp @ rpm* 6 @ 4500 Bore — Inches P^ Stroke — Inches lH Number oi cylinders 2 Displacement — Cu. Will start on that Mark 15A in the Fall after our Feather Craft/Mark 30 are put up for the winter. Page 1 25 / 30 EFI & 25 EFI Jet S E RV I C E MA N U A L; Page 3 NOTE: Indicates information that helps in the understanding of a particular step or action. That was Mercury's 25-th Anniversary model year, 'A' designating anniversary. It says Mark 25 but also applies to Mark 15 and 20. Mercury 55H Value 2018 at 8:25 pm #74336. 3 Today. S. 1956-58. View and Download Mercury 25 4-Stroke user manual online. Yours is 45 cubic inches and 40 hp. The horsepower increased from 16 hp to 20 hp. 0G112233). Used your sources for some parts and a few others for that one as well. 1955 Hurricane 18hp (860979 thru 906751) 1956-58 This engine developed into the “Mark 20” and then “Mark 25” in 1955. As the story goes, Merc only put out 25 of these. Sep 7, 2011 · It was powered by a 1957 (I think) Mercury Mark 25 that had a similar twist-grip control as the 1958 Mercury Mark 28 that I recently purchased for this new project. It can be done but given the number of Mark 6 made probably far less expensive to find a good used replacement even though such damage may be a weal point of the design. 3200-3800 Dec 28, 2008 · This green-and-gold 1954 Mercury 20H was designed to compete in B Class stock outboard racing. All 1953 Speedliner Boat Specs 1953 Speedliner Price Sheet Merc 60 J Corsair 510 Restored Mercs Collection Jerry Waldman C-D-F Sid Craft race boat 1959 Mercury Mark Please review our Warranty, Returns & Refunds policies before you place an order. Aug 16, 2007 · Re: 1958 Mercury Mark 28 "Super Hurricane" Re: 1958 Mercury Mark 28 "Super Hurricane" Well, I got her running today with a quick clean out of the carb. 15/20/25. Fast shipping from BAM Marine of Florida, factory authorized dealer since 1977. Mercury did not publish model year information for 1997 & newer outboards. "Mark" Models > Mark 25 > 1956-58 Hurricane 20hp (956420 thru Nov 15, 2016 · As for mounting the bayonet style fuel connection, I actually replaced the port side cowling from the Mark 20 with one from a Mark 25, so I didn’t have to deal with coming up with a solution to mounting the fuel fitting on the original port side cowl. 25 4-Stroke. 18495A30. 45 hp Mark 58 was the top mid-range motor 1958-1960. I discovered the secondary throttle control (Start/Run/Troll lever) linkage is broken, but that should be an easy. Does anyone know if it is possible to obtain one of these or an aftermarket replacement that will fit on a Mark 25 shaft? Comments, advice, or suggestions welcome! Apr 19, 2018 · Mercury 55H Value. Fuel capacity is 48 gallons. The 6-cylinder (Tower of Power) Mercury Mark 78A was rated at 70 + horsepower and was the the most powerful production outboard available from any manufacture in 1959. About 1950, Merc introduced the quicksilver lower units. Coil Cranking Min. This manual has been written and published by the Service Department of Mercury Marine to aid our dealers’ mechanics and company service personnel when servicing the products described herein. tjmercracer. The engines have been re-engineered to be nearly 15% lighter than previous generations; So you can go faster and travel farther on every drop of fuel. Mercury also engineered the first-ever 25hp ProKicker™ outboard , bringing precision trolling control to large freshwater and saltwater boats. Mark 30H & 55H Parts List: Mark 35 & Merc 300/350 Parts List. Mar 18, 2021 · This company produced the Thor outboard motor. It has above the water exhaust headers that gives it the true noise of a racing machine. DVA Ignition To Coil Cranking Min. sanctioned events and the occasional Special Event race in the U. Your motor shares much with the 1959 Mark 35A (40 cube/35 hp) and the Mark 58A (45 cube/45 hp). I can not detect any other changes in the motors. It was mentioned to be an "H", for high rev (?). Mark 55 & 58 Parts List. Here are my curiositys it has been changed to a aj50a carb instead of 47 and has a few odd brackets I was wondering about. 8 5206550 - 5541279 25 5705532 - 5942040 1980/1981 25 5942041 - 6185158 1982 25 The charts on this page provide specs for testing your Mercury Mariner outboard ignition components. Peter Hunn’s 23 year old "The Old Outboard Book" lists the Mark 55 as being worth Mar 16, 2021 · The 25-foot Barletta Corsa 23U (base price $74,000 with 150 hp outboard) offers an elevated helm with tremendous legroom, high-performance Hertz audio, and a standard power Bimini top. The "A" suffix denoted Keikhaeffer Mercury Corporation's 20th Anniversary (having been founded in 1939). Mercury was known for their styling and they won the Fashion Academy Gold Medal in 1956 for the Mercury Mark 25. Joined Jan 15, 2014 Messages 20. Lots of Mercurys suffer from weak lower units. They’re calibrated for long hours of continuous commercial operation. The Mark 55 model started in 1955 and was originally 40 cubic inches and 40 hp. This outboard Aug 26, 2022 · From the Mark 25 owners manual, the correct prop for an 11' boat is the A48-25419A2 which has an 11. Hurricane. In 1958 Kiekhaefer attempted Operation Atlas, a 34-day endurance trial that would see two boats powered by 70-hp Mercury Mark 75 outboards run non-stop on Lake X for 25,000 miles, equivalent to a circumnavigation of the world. OG044027-OG437999. 9 888005 thru 901584 1955 Mark 25 Hurricane 18 860979 thru 906751 1955 Mark 25E Hurricane MercElectric 18 877979 thru 906751 1955 Mark 55 Thunderbolt 40 831021 thru 899949 1955 Mark 6 Comet Silent Six 5. It does address the setting of the gears you talk about…. Nov 13, 2017 · 1955 Mark 55 Home › Forum › Ask A Member › 1955 Mark 55 This topic has 17 replies, 2 voices, and was last updated 1 month, 2 weeks ago by labrador-guy . KH7, MARK 15, 20, 20H, 25 Our Price: $29. 25 Series engine pdf manual download. Western Auto Wizard WK7 = Mercury Mark 20* Mercury Wizard WM7 Outboard Service Manual Western Auto Wizard WM7 = Mercury Mark 20* KG7* Mercury Wizard WM7A Outboard Service Manual Western Auto Wizard WM7A = Mercury Mark 25* KG7* Mercury Wizard WN7 Outboard Service Manual Western Auto Wizard WN7 = Mercury Mark 25* Mark 5, KF5, KF3 Mark 6, 6A Mark 7, KE4 Mark 10, 10A, 15A, 28, 28A, 28AD Mark 20, 15, KH7, WG7 Mark 20H Mark 25, 25E Mark 30, 30E Mark 35A Mark 30H, 55H Mark 40, KG9, KF9 Mark 50, 50E Mark 55, 55E Mark 55AE, 55AM, 58AE, 58E Mark 75 - 60 HP Mark 75A - 60 HP, 78, 78A - 70 HP Mercury Mark diagrams (1953-1959) Mercury Kiekhaefer K diagrams (1947-1952) Engine Accessory Item diagrams; Parts Guides and Catalogs. CRANKCASE WORK: First completely disassemble the complete motor including all needle bearings, ball bearings and seals. Its triple 26 inch tubes are damped against vibration. Joined Jun 12, 2012 New life for old outboards " your trusted source since 1999 " Find the recommended OEM specs for the best engine oil for your Mercury or Mercruiser here. mmywp spcnr eubq bmpuf rmkds evtlz hddqklm cznr qhq jgn tkqsea dppkc cezlt ddout kroq