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Discussion Starter #1
ok I have a new suzuki 25 v twin around 12 hours runs great until i go full speed 20 seconds or so the red light comes on starts running rough let of to idle runs fine same thing at full speed i took my time breaking in can anybody help
Thanks jeff
 

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Cert. Yamaha technician
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4,330 Posts
No problem.. On all new fourstroke outboards ive been noticing they trap air pockets and if you pull the dipstick without cleaning it first and putting it back in then pullin it back out to get your reading you will get a false reading.
 

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Discussion Starter #5
ok drained oil exact amount called dealer said prop too small go up 3 sizes over rev limiter is going off. What do you think
 

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Cert. Yamaha technician
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4,330 Posts
Depends on, hull design, horse power, weight, and rpm at wide open.. To accurately fix your situation a tiny tach is going to be needed to find rpms
 

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My wag would be 10x 11

I run a 13 pitch on my gheenoe ...
 

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The suzuki V-twin is a different animal then most other 25hp motors, it has alot more lower end torque and will need a larger prop then most because it also has a slightly lower redline. Definately get a tach and see what it is at full throttle. Are you running the stock prop?
 

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Discussion Starter #12
has three years on it he said that motor is bullet proof he has seen it on another boat around the same weight
Thanks Jeff
 
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