Seller notes

This Jet Kit Fits 89-90 HONDA CB1 400F Stage 4 You get Whats In Photo. This kits includes a set of 4 two sizes over Pilot Jets (#40) a set of 4 four size over Main Jets (#115) and two shims for each needle Stage 4 is for motorcycles with lightly modified engines with individual air intakes and baffled aftermarket exhaust system. Jet kits are easy to install but you will need to have some basic carburetor tuning knowledge. refer to your shop manual for carburetor removal and installation. Interna...

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