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SM to S convertion question

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Hello everyone,

I was looking to pick up a DRZ400s and stumbled upon an amazing deal for an SM. I am in the process of swapping out the wheels/tires and collecting everything. I am ok with the forks and larger brake rotors. I have purchased a set of stock S model wheels with gears (15/44) and I would like to re-using them if possible. I think the "S" has a 112 link chain and the "SM" has a 110. I will get a set of the SM rotors.

Can I use the 15/44 gears with the 21/18" wheels and the stock chain or do I need a longer chain?

The 15/44 gears are ok on the SM, right?

Which speedo should I get to be the most accurate? S or SM?

I have read the SM kickstand is too short once the larger wheels are on, is it tolerable or should I replace it too?

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SM kickstand is fine.

Large rotors aren’t a problem

15/44 isn’t terrible but too tall for tech stuff . The stock chain should work fine

Any trail tech is good. I go the no speedo route

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you'll find out on the chain, get a second chain is the best plan, it can be a cheapy if you dont offroad much .... your speedo box 'should' be ok going from sm to s, the inherent inaccuracy should cancel out with the larger wheel ..

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