Qmb139 Scooter Rocker Arms – Oem-Spec Replacement

Description

If you have a new cylinder head that has different valves from your old head valves and you you don’t have enough room to lock down the adjuster, you have two options to correct this issue.

Option 1: Buy these to solve your issue.

Option 2: Simply put the lock nut on the bottom side of the rocker.

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