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motard80

engine WR426/450

4 posts in this topic

How much km's or hours can you do with a piston of a 450/426 in SM version?

NORMAL ROAD (AB)USE and plenty of fresh oil....

Is it 5000K ? 10.000K ? 20.000K ? ........

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my guess, no problems for at least 10-15000km..

There are people that has been doing 40-50K km on unopened wr`s, but i think that would be to push your luck a little..

BTW: 15000km is ALOT on a motocross/enduro bike :applause:

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Isn't that a lot????? 10-15K?? I thought it would be around 5 to 8K?

I hope it will go more than 10-15K km. I plan to do at least 6000 km per year in supermoto form, usually riding at 90 to 120 kph with 15/42 gearing on 17 inch tires. 5-8K would be an annual rebuild. Maybe if you are really thrashing the motor? :applause:

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