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There are no more items in your cartFor installation this set to Yamaha 3WF Jog90 crankcase boring is not required.
Pay attention: to install this set to 3KJ Jog50 crankcase enlarging is required.
Big bore air cooled kit for Yamaha 3WF Jog90 upgrade to 105cc.
Kit includes: cylinder assembly 54mm, cylinder head, forged crankshaft 44mm, bearings and oil seals.
For installation this set to Yamaha 3WF Jog90 crankcase boring is not required.
Pay attention: to install this set to 3KJ Jog50 crankcase enlarging is required.