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Yanmar Tranny
by Larry D 07-05-2012

New here, new to sailing, and diesel power

Yanmar YSB12. If anyone is familiar with the drive on this unit, and can tell me if it should be very difficult to shift, I would appreciate it. Also, does it take regular tranny fluid?
Are the reverse/forward throws short?
It took my foot to push it into forward, and a lot of strength to pull it back to reverse.
Thanks for your help,
Larry
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Old 07-05-2012
 
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mm2187 is on a distinguished road
Re: Yanmar Tranny

Does your throttle have a trigger to pull below the ball on the throttle. On my boat there is a little thing you need to squeeze to allow it to pop of of neutral. It also prevents you from throwing it into reverse when you back down to neutral.

If that is not the case I would look at the way your cables are run to make sure they are clear of obstructions and grease them while your there.
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Old 07-05-2012
 
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Re: Yanmar Tranny

Cables are OK, no squeeze ball. Where it is stiff is in the tranny itself. The level that actually moves the gears after the cable pushes it. I can push the shift lever, but it is very hard.
Thanks for your reply.
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Old 07-08-2012
 
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Re: Yanmar Tranny

the shifting lever at the gearbox is quite stiff,if you disconect the cable try moving it [on mine i can't shift it by hand only] the lever is too short!the leverege advantage is gained at the other end where the cable attaches to the shift handle and the handle its self,make sure the cable isn't binding enroute,the gearbox uses the same oil as your engine
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Old 07-08-2012
 
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Re: Yanmar Tranny

Thanks. That is exactly what I needed to know. I get a long throw into drive, but short throw to reverse. I guess it needs a little adjustment.
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Old 07-08-2012
 
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Re: Yanmar Tranny

that would be my guess,make sure the cable is routed in the in the loose's way possible,a little thin oil down into the end might not hurt either also you might take apart the shifter mechanism at the cockpit and lube that,mine is dificult to shift too
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