Seller notes

This Jet Kit Fits 90-91 DR650SM Stage 4You get Whats In Photo. Select the appropriate stage needed. Modifications to the air intake and/or Exhaust system to your motorcycle will change the air/fuel mixture to your carburetors causing a lean running condition. These kits include a two sizes larger Pilot Jets (#52.5), a four sizes larger main Jets (#157.5) and 2 needle shims for your carburetor. Stage 4 is for motorcycles with lightly modified engines with individual air intakes and baffled afterm...

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