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Hand Starting the Engine
Scott Carle
November 15, 2009 - 11:18 am
Member Since: October 10, 2009
Forum Posts: 1480
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I'm not sure how realistic this is on these size engines but there was a couple posts on the other forums about it. If anyone looking at this has done it or seen anyone do it pipe up and tell us about it.

old forum post

You should have the a crank laying around somwhere that fits in the front of the crankshaft. There's also a preassure release valve on the port side of the front of the engine. The procedure is:

-put gearbox in neutral
-put fuel lever to starting position
-put the crank in
-press down the preassure release
-turn crank to spin motor as fast as possible
-release preassure release

After all of this your motor may start. I tried this once for fun and realized that I really need Arnold Schwarteneger <sp?> on board to spin the motor...

good luck!

SV Defyn Gravity

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Scott Carle DE38 Cutter s/v Valkyr
Jonathan Oasis
November 29, 2011 - 2:36 pm
Member Since: April 5, 2011
Forum Posts: 174
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The old DE32 1977 article also notes:" The engine can be started with a hand crank and there is sufficient clearance to use it."  Although this was perhaps on the smaller engine.

Oasis has the Universal diesel 5424,24HP.  No hand crank on board.  Has anyone seen the crank?  This engine is also used on older Catalina's,etc,so they must be around somewhere.  Is it even possible to start by hand or does the required torque make it impossible ?

The starter seems nearly impossible to service with the engine in place –no room to work. Would be nice to have a backup plan.

The lovely sound can be heard in this guy's video:


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Patrick Twohig
San Diego, CA

October 28, 2014 - 2:45 am
Member Since: March 13, 2014
Forum Posts: 134
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Maybe if you happen to be a bodybuilder...or the Incredible Hulk...

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November 11, 2015 - 4:18 pm
Member Since: June 3, 2014
Forum Posts: 94
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Our last boat was a Bayfield 25 with a 8 hp Yanmar. It came with a cast iron hand crank that fit on the nut on the drive pulley. You had to hold the raw water line out of the way with your foot, flip the decompression lever up, turn everything on and crank the little cast iron handle very fast then flip the decompression lever down when you thought it wouldn't go any faster. Speed was definitely the key and the hardest thing to accomplish.

I actually got it to start this way once or twice which amazed all of us but the idea that the handle would get stuck and not jump off the nut scared the bejesus out of me. I figured it would catch and spin a couple times and then fly off. Did I mention it was cast iron? That or it would break my arm like the old Model T cranks were known to do when it kicked back. 

I believe it's not even remotely possible on anything larger than a 2 cylinder especially since they don't even put the decompression levers on the new engines. Probably one too many concussions or broken arms.


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