Seller notes

This OKO carburetor kit was developed specifically for the Yamaha SR500 to replace the Mikuni 34mm. We fitted and jetted an OKO K-104 PWK 36mm to our SR and got very good results. The engine pulled strongly through the throttle range with very good throttle response. Our engine had some mild mods so we include extra jets for fine tuning. This carburetor fits directly into the stock manifold. The OKO is shorter from front to back than the Mikuni so if you use the stock airbox you'll need a longer...

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