Thread: Engine number?
04-16-2012, 12:15 PM #1
Hello! Can someone see on this engine number if its from a Yamaha XL 700 from 2004? i have looked around (google), but i havent
found anything, maybe someone here know.
2 pictures, one of the engine itself, and one of the engine number.
04-17-2012, 12:40 AM #2
04-17-2012, 10:08 AM #3
04-17-2012, 01:44 PM #4
Yes that is the correct motor for your ski.
Yamaha named each one of their motors for easy identification. Each component should have a marking on it somewhere making it quite easy to know which part came off which ski.
650's are 6M6
701's up to 1995 were 61x/61x
701's after 1996 were 62T/61x
760's are 64U cases with 62T cylinders
GP800 is a 66E
GP1200 is a 66V
The most noticeable difference is the 61X cases were a single carb where the 62T is a dual carb setup. 64U is identical as 62T except it has dual pulse lines for the carbs.
Up to 1995 the 701's comprised of a 61x case and 61x cylinder. After 1996 the Superjet had 62T cases with 61X cylinders where the sitdown skis like the raiders, ventures and GP's had 62T cases and cylinders and were offered in both 701 and 760cc displacements.
Not 100% on what years they did it but you will find that there are both 701 62T's and 760 62T's where they used the same cylinder with different sleeves. The 61x cylinders have a lower exhaust port timing which gives a much snappier throttle response in the lighter craft where the 3mm higher exhaust port of the 62t offers more torque to get the heavier craft moving.
04-17-2012, 01:57 PM #5
09-11-2012, 07:35 AM #6
- Join Date
- Jul 2012
Does anyone know where the markings are on the cylinders ? The engine I have has been apart and i was told its a 701 cylinder, on a 6m6 case. Thanks
09-11-2012, 11:25 AM #7
- Join Date
- Aug 2006
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