Bob's Notebook: Technical Information to help you
with your marine engine.
|AQ CIRC PUMP||Changed design to circulation pump of all Volvo 4 or 6 cylinder in-line engines.
Short explanation: remove one pipe, add one hose.
|ETHANOL & GAS||Volvo Penta Service Bulletin on 10% Ethanol Gasoline
Short Explanation: how to decrease water content in fuel
|BAD GAS II||
Volvo Parts Bulletin on gasoline additives causing vapor lock
|ETHANOL ISSUES||Mercruiser's article from the Mercury Messenger on ethanol problems.|
|DIESEL TROUBLE SHOOTING||Page from Volvo Penta Owners Manual for Diesel Engines|
|DP PERFORMANCE||Volvo Penta Brochure that compares Volvo Penta and Mercruiser Duoprops|
|ENG MOUNT BOLTS||New Volvo Penta engine mounts for D31, D41 and D42 engines
Short explanation: have to make a bigger hole for the engine mount on the bracket.
|EX FLAPPER 31 / 41||Volvo Penta Parts bulletin explaining exhaust flapper overhaul kit
Short explanation: parts list
|FLAPPER PARTS BULL||
Volvo Penta Flapper Parts Bulletin
|GAS FUEL PUMP||Volvo Penta Chart of fuel pump output pressure for all gas engines with electric fuel pumps|
|GM OIL FILTERS||Volvo Penta Parts Bulletin explaining different sizes of oil filters for GM engines.|
|IMPELLER 825940||Volvo Penta Parts Bulletin explaining the superceding numbers for this impeller
Note: part numbers have changed even after this bulletin has been printed. You may rely on
Marine Parts Express RPL numbers or the ONE LIST to find the new numbers.
|K44 VALVE COVER 1||Volvo Penta Parts Bulletin explaining that you no longer need a gasket for the valve cover|
|K44 VALVE COVER 2||Volvo Penta Service Bulletin explaining you no longer need a gasket for the valve cover|
|MERC SHIFT PLATE 1||Mercruiser Parts Bulletin explaining superceded number for shift interruptor switch for all Mercruisers|
|MERC SHIFT PLATE 2||(page 2 of above)|
|NEW AIR FILTER 31 / 41||Volvo Penta Parts Bulletin on Air Filters for 31 and 41 engines.
Short explanation: throw away metal housing, replace with plastic, new filter element number
|SPARK PLUG ID||Volvo Penta Parts Bulletin explaining correct part numbers for spark plugs for all gas engines, 1994 and newer, including large quantity packs|
|TAMPER PROOF DIST||
You need a special tool to remove the distributor cap on engines after 2003.
|U JOINT 1||Volvo Penta Parts Bulletin explaining U-Joint replacement part numbers for all outdrives after 270, including DP, DPX, SX and DP-S|
|U JOINT 2||(page 2 of above)|
|UNIVERSAL TACHOMETER||Volvo Penta Universal tachometer (part number 858087) instructions-- how to set the code|
|VOLVO RPM||Volvo Penta Chart full throttle RPM ratings for diesel engines|
|VALVE COVER GASKET KIT||Installation instructions from Volvo Penta for changing the valve cover gasket, kit #876953.|
|GM Oil Filters||Which Volvo Penta oil filter to use for your GM engine.|
|Sterndrive U-Joints||Replacement numbers for complete u-joint assembly categorized by drive type: SX, DP-S, XDP, 270, 290 etc.|
|Rubber Cushion||Engine mount bolt size change for the D31, D41, D42 engines.|
|Fresh Water Flushing||Parts list to hook a garden hose up to flush your Volvo Penta gas engine. Part number 23 is where you connect the garden hose.|
|Prop Puller Tool||To remove stuck Volvo Penta DP-S, DPS-A sterndrives that use the D and F series props.|
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