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Price: £139.99
Out of Stock, Backorder Available.
PRO-MX 36mm CY Cylinder Kit 30.5cc. kit features:
Cylinder porting - port time/area set, roof angles altered - for more efficient scavenging, port edges re-chamfered leaving no sharp edges that could snag a ring or scrape the oil off the piston plus the cylinder is converted to 6 port. Intake & transfer tunnels re-surfaced to an 80 grit finish. Cylinder head modified to increase performance , squish band professionally machined to match the crown of the piston, increasing burn efficiency. Squish band set to 53% of the bore area & compression ratio set @ 15.2 : 1 (if built with the recomended clearance of 0.40mm). Piston skirt reshaped to aid flow into the transfer tunnels & reduce weight.
Kit includes: cylinder , piston , ring, piston pin , circlips, small end bearing & washers. stock cylinder gasket. spark plug. Fully illustrated fitting instructions.
This kit fits , CY23RC , CY26RC fuelie engines Zenoah G230RC / G260RC engines & the dark soul/cc racing 2 bolt billet cases.
This kit requires a +2mm Stroker crank. and we recommend a DDM CA319 0.5mm copper base gasket
This is a race prepared product and there is a limited warranty.