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Hauertzx 47mm Big Bore Cylinder Rebuild Kit for GY6 49cc/50cc Engines

$133.46
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Complete 47mm big bore cylinder rebuild kit for GY6 49cc and 50cc 4-stroke engines using 139QMA or 139QMB configurations.

Price shown is the online purchase price. Free shipping · 30-day return policy

BrandHauertzx
Part TypeComplete cylinder rebuild kit

Product Description

Hauertzx complete 47mm cylinder rebuild kit for specified GY6 49cc and 50cc 4-stroke engines. The kit includes a 47mm cylinder head with a 69mm valve, 47mm bore cylinder block, piston assembly, piston rings, wrist pin, engine gasket set, camshaft, rocker arms, valve seals, oil pump assembly, camshaft chain, chain adjuster, and starter clutch and gear components. Additional included components include a 6-pin CDI, ignition coil, 4-pin AC regulator, relay, A7TC spark plug, drive belt, rollers, intake manifold and muffler bolts, and oil-screen components. Not suitable for EGR engines.

Product Specifications

Brandhauertzx
Manufacturer Part NumberHauertzx
Item Weight6.6 pounds
Modelhauertzx
Package Dimensions11.42 x 7.09 x 6.69 inches
Item model numberHauertzx
ExteriorBrushed
Explicit Manufacturer Part NumberHauertzx
Cylinder bore47mm
Cylinder head valve69mm
Spark plugA7TC
Roller weight8.5 grams
Camshaft chain82
Drive belt699*18*30
CDI connector6-pin
AC regulator connector4-pin
Engine restrictionNot suitable for EGR engines
Included componentsCylinder head, cylinder block, piston assembly, piston rings, wrist pin, gasket set, CDI, ignition coil, AC regulator, relay, spark plug, rocker arms, valve seals, oil pump assembly, camshaft, chain adjuster, drive belt, rollers, starter clutch and starter gear kit

Motorcycle Compatibility

YearMakeModelPower / EngineVariant
—GY6139QMA / 139QMB4-stroke49cc / 50cc

Always compare the part number, dimensions, specifications, and compatibility details with your original part before ordering.