Rockit Timing Advance Key

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Now: $5.00
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Flywheel key for advancing timing for better fuel burn and more power. 
For Goped scooters - Fits in G23LH and G43L (GSR40) engines.
Includes puller bolt and illustrated installation instructions.
NOT for use in R/C style engines (Zenoah G230RC / G240RC / G260RC / G270RC / G290RC / G320RC / CY23RC / CY26RC / CY27RC / F270 / CY29RC / GP290 etc) - the timing is already advanced on these engines, installing a Rockit key will over advance the timing and hurt your engine's performance, and potentially damage the engine as well.