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Caution
General Information
Preparations For Starting
Before Starting
Starting Engine
Engine Break-in and General Running
Stopping the Engine
Decompression Lever
Instrument Panel
Wiring Diagram
Preparing Engine for Storage
Preparing Engine for Spring Service
Fuel
Injection Timing
Diesel Valve Timing
Adjusting Fuel Timing
Decompression Device Adjustment
Fuel System
Fuel Bleeding
Oil Filter Change
Sea Water Pump and Impeller Replacement
Model 15 Sea Water Circulation Diagram
Model 12, 18, 20, 25, 25XP, 30, 40 & 50 Water
Fresh Water Circulation Diagram
Hurth Transmission
Periodic Service Chart for Engine
Marine Engine Warranty - Limited
Engine Specifications and Images
(by engine model)
M2-12
M3-20
M4-30
M-25XP
M-35
M-30
M-40
M-50
M-12
M-15
M-18
M-20
M-25
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UNIVERSAL MODEL M-25 SPECIFICATIONS
Pictorial views of this engine at the bottom of page. |
| Horsepower | 21 @ 3200 |
| No. of Cylinders | 3 |
| Bore x Stroke | 2.83 x 2.76 |
| Cubic Inch | 52 |
| Maximum RPM | 3000 |
| Cruising Range (Approx.) | 2100/2600
RPM |
| Compression Ratio | 21:1 |
| Electrical Equipment | 12 Volt - 51 Amp W/Glow Plugs |
| Lubrication (Eng. Approx. Ots.) | 4.0 |
| (SAE 30 HD. (CD) or 10W40) CAUTION: FILL ONLY TO FULL MARK ON DIPSTICK |
| Lubrication (Trans.) | FILL 10 FULL RING ON DIPSTICK |
| (Type AFT “A” or GM-DEXRON - II Do not mix different oils) |
| Transmission Reduction | 2:1 |
| Coolant FWC( 50/50 Solution Approx.) | 5 Quarts |
| Exhaust Flange | 1
1/4" N.P.T. |
| Fuel Type | #2 Diesel |
| Fuel Filter | P/N 298854 |
| Oil Filter | P/N 300209 |
| Eng. Operating Temp. Degrees F. | 165° to 195° |
| Propeller Rotation | Right Hand |
| Weight (lbs. | 285 lbs.) |
| Injection Nozzle | P/N 299517 & 299518 |
| Engine is governor controlled to prevent overspeed. It is recommended to carry the following extra parts should the need arise: V-Belt, Sea Water Pump Impeller, Fuel & Lube Oil Filters, 1 Ot. of Trans. Oil, 2 Quarts Lub. Oil and 1 Gal. 50/50 Coolant.
All pictorial views and specifications subject to change without notice. |
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