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Kabuto R21 Model ’18 ENGINE (Pre-broken In)
$425.00
Product Description
This is a Pre-broken in engine based on the O.S. R2103 with an SMJ original printed cylinder head.
The Kabuto R21 has advanced as “Model ’18” with a revised cylinder liner, crank shaft and steel main bearing.
At low to mid-range, torque performance has been improved.
DLC coating is used on the crank shaft, embedded tungsten-weight on crank shaft and potted-tuning has been performed.
There is no change to the fuel efficiency of the former model. Collaboration with Yurugix.