High Speed Variator V.2 139QMA/QMB Kymco SYM
This component will fit the Kymco Cobra Cross / Top Boy 50cc SF10AF / SF10AG / SF10AK) Scooter
Product Description
The Second Generation of the Naraku HS Variator has been finely optimised. Alongside the weight reduction from 157g with the V.1 (NK900.20) to only 127g on the V.2 (NK900.26) the anti-friction bush has also been kitted with a failsafe that prevents the bush from wandering, even in high-end tuned engines.
The optimised roller surface drastically improves acceleration and top end speed.
Drive Boss: 20x38mm
Rollers: 6x5.5g (16x13mm)
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