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2001 RM 125 USD Forks

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I am going to change the fork seals, springs and fork oil and what is best weight of oil to use for SM and off road use?

Which forks springs do I use for a setup for 300 lbs?

I new to setting forks up and any guidance is appreciated.

Thanks

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I would call RaceTech. As they are not the forks that came on the bike, their web site most likely will not help.

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how mcuh do you weigh?mostly sm or offroad?where do you want it to perform best?

I weigh at about 150 lbs max, mostly on road doing SM, and daily commuting.

I was thinking if I get these forks the same as the stock fork setup as in springs but with better oil. That way if I get even fatter the forks could handle it

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Burned wouldn't they be Showa 47mm USD? Provided they came off a 2001 125? 😢

That raises an interesting question also. Did they use the same triple clamp for the Showa that came on the 125 and the Kayaba on the 250? 😢

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yes,if they are off a 125.just wanna make sure as the 250 came with kayabas.

they use the same clamps,but the oil level is measured differently.

the showa its a little more complicated on the showas.

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What weight is the front stock spring in the 03 'S' compared to the stock RM125?

And what about the weight of the stock rear spring?

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the rm125 is a .40 i believe.the stock drz is .44

stock shock spring is a 5.5. you need a 5.3 for your weight.

the 5.5 will work ok for what you do.

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Thanks Burned, so if I use a .44 spring in the rm forks, what fork oil weight should I use? 5w, 10w?

Do you have a service manual for the rm forks so I can do the forks myself and learn at the same time?

Thanks

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