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Old 18 May 2004, 16:23   #1
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Yamaha f100 owners

Can any owners of this type of outboard who trail there boats,with the outboard tilted tell me how they support the outboard.
The locking pin is not up to the job,should I rely on the hydraulics?I can see no way of using an engine support strut as the roller arm is to far under the boat(its back as far as it can safely go),I tried a steel bar covered in pipe but this marked the outboard backet after 2 short (8 mile)trips,I dont have an A-frame to suspend it from.
I have followed the other thread marked engine support strut but was after experiences specific to this outboard.
The dealer so far has not been able to come up with any workable solution.
Yamaha just refer to the manual saying trail with the engine down or use an engine support strut.
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Old 18 May 2004, 17:16   #2
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I trail mine all over the country on the tilt support lever and must admit haven't given it any thought, after all, hydralics are a pretty safe back-up.

Rich L
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Old 18 May 2004, 18:18   #3
JCW
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We have trailed with the outboard in the down position. However we currently have a problem where the leg creeps down after some time. So we have been trailing using the support arm. The trim and tilt unit is currently under investigation at a Yamaha dealer. They have said that our problem is the first they have seen of this type on the F100 trim and tilt mechanism. The Yamaha technical support team have not yet been able to diagnose the fault.
Will let you know the outcome.
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Old 19 May 2004, 01:37   #4
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Quote:
Originally Posted by Rich L
I trail mine all over the country on the tilt support lever and must admit haven't given it any thought, after all, hydralics are a pretty safe back-up.

Rich L
Thanks for that,very interesting because I have only done short trips,the engine was new in march and the locking pin is now badly bent,the dealer has agreed to try to find a solution but did warn me at the 10 hour service not to use the pin as it was showing signs of wear,however with no other workable suggestions?apart from the bar I have already tried.
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Old 19 May 2004, 04:47   #5
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I have the F100 and have travelled many miles with it tilted. Am I doing damage?
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Old 19 May 2004, 05:28   #6
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What exactly happened, Timboli?
What damage occured - to the bracket or pivot pin?
Are there two supports (one either side)?
Do you "power down" the engine onto the support bracket(s) after clicking them down?
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Old 19 May 2004, 15:38   #7
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On my F115, I always wedge it by lowering the engine onto a block of wood so the cylinder does not take the load of the engine.

I assumed the engine bouncing about on the trailer would generate some high pressures in the cylinder and potentially allow the engine to drop due to leakage on longer trips.
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Old 19 May 2004, 17:36   #8
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I have trailed thousands of miles with my F100. I just put the engine on the support lever and lower the engine onto it so that it does not bounce around. I have always assumed that the support lever was up to the task. Anyone know what Yamaha has to say about it?
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Old 20 May 2004, 01:39   #9
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Quote:
Originally Posted by Richard B
What exactly happened, Timboli?
What damage occured - to the bracket or pivot pin?
Are there two supports (one either side)?
Do you "power down" the engine onto the support bracket(s) after clicking them down?
The pin which rotates in the engine mount appears to have bent so that the bracket is now bent out at a strange angle.There is only one on the 100,two on the 115.I do power down the engine onto the support bracket.

I cannot see how to use a block of wood as the hydraulic ram is in the way,and if I use a wider block of wood,it slides down the mount as I attempt to lower the engine on to it-it doesnt wedge in place,the metal bar I tried was in font if the hydraulic ram.

The latest advice is to repair or replace the pin-would be replaced under warranty-and use the ram to support the engine,using the support bracket as a safety measure only with no pressure on it,but in case the ram slips,apparently if the engine does work its way down a bit,it shouldnt mean a problem.
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Old 20 May 2004, 04:59   #10
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I spoke with Yamaha UK...

the "official" line is travel with the engine down but using a support - that they don't supply. Or alternatively, use a piece of wood. Tilt the engine, stick the 2x2 under the engine spanning the brackets, then lower the engine, trapping the wood. You shouldn't rely on the bracket (which I have done for the past year!).
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