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1. RUTU #ad
69mm Valve Big Bore Kit 100cc replacement for GY6 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set with Racing CDI Ignition Coil Performance Spark Plug #adRUTU #ad
- Easy installation with racing AC CDI, ignition coil and racing spark plug included. Please confirm before ordering. This is one of the best upgrades you can do to your 50cc Scooter.
This big bore kit will upgrade your gy6 50cc 60cc 80cc to 100cc, to get more RPM, more power, without EGR, faster maximum speed. We have 2 versions, 64mm and 69mm valve length version.
2. TRKIMAL #ad
GY6 Cylinder Rebuild Kits Trkimal 100cc Big Bore Kit for 64mm Valve 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set with 6pin Racing CDI Ignition Coil Performance Spark Plug Clutch Spring #adTRKIMAL #ad
- Upgrades parts kits for most of 50cc scooter. Upgrade engine parts included cylinder body kits, copper roller sets, gaskets kits, camshaft, camshaft seat kits, oil pump and gear, 6pins racing AC CDI, clutch spring sets, cylinder head kits, ignition coil and racing 3-electrode spark plug.
64mm valve length version. Easy Installation. This big cylinder kit will upgrade your gy6 50cc 60cc 80cc to 100cc, more power, to get more RPM, without EGR, faster maximum speed.
3. KYMLAA #ad
GY6 Cylinder Rebuild Kits Kymlaa 100cc Big Bore Kit for 69mm Valve 49CC 50CC 139QMB Moped Scooter Engine 50mm Bore Upgrade Set with 6pin Racing CDI Ignition Coil Performance Spark Plug Clutch Spring #adKYMLAA #ad
- With cylinder body kits, spring sets, copper roller sets, gaskets kits, oil pump and gear, camshaft seat kits, 6pins racing ac cdi, cylinder head kits, camshaft, ignition coil and racing 3-electrode spark plug.
This big cylinder kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM, more power, faster maximum speed.69mm valve length version. Simple Installation. Upgrades parts kits for most of 50cc scooter.
4. TRKIMAL #ad
GY6 Engine parts for Chinese Scooter64mm Valve Length, GY6 Cylinder Rebuild Kits Trkimal 47mm 80cc Big Bore Upgrade Kits for 49cc 50cc 139QMB Engines 64mm Valve scooter moped parts #adTRKIMAL #ad
- Parts included:gy6 80cc cylinder head with 64mm valve, oil screen, camshaft, ignition coil, 6pins cdi, and exhaust locking ha, spring, valve seals, piston, set of 8.
5 gram roller, chain adjuster, full set of engine gasket, relay, 4pin ac regulator, set of 47mm piston assy, belt 699*18*30, Rings and Wrist Pin, 47mm Bore Cylinder Block, a7tc Spark Plug, Rocker Arms, cover and oil seal, Set of Intake Manifold and Muffler Bolts, Oil Pump Assy with Driving Gear, Camshaft chain 82, Starter clutch.
Cylinder bore: 47mm / Non-EGR Cylinder. Valve length: 64mm. Fit toroketa, taotao, panterra, sunl, redcat tank giovanni wildfire Xtreme Seaseng Qlink Yiben Jonway Jmstar, Baja, Vento. Apply to: gy6 4 stroke 49cc 50cc 60cc 80cc engine upgrade for most of chinese scooter, atv and go karts.
5. NAVARME #ad
NAVARME 139QMB 100cc Scooter Engine Big Bore Kit GY6 50mm Cylinder GY6 4 Stroke Motor #adNAVARME #ad
- Please note this kit is only used for GY6 139QMB 4-Stroke Engine. Arrival within 6-15 business days. Fitments: gy6 100cc Chinese Scooter Engine Conversion.
Replacement for original part. Please check part comparibility to see if it fits your model. Package include:1 x 50mm cylinder 1 x 13mm Piston 1 x Pin 2 x Circlips 2 x Gaskets 5 x Rings.
6. NIMTEK #ad
49cc Scooter Carburetor GY6 Four Stroke with Jet Upgrades #adNIMTEK #ad
- Idle jet: 32mm; Main jet : 82mm. Id intake side:18mm ; oD air filter side : 40mm. Fits most of chinese made scooters and atv, sunl, such as: taotao, JONWAY, peACE, kazuma, jmstar, JCL, Dongfang, TANK, ROKETA, BMS.
Brand new high Quality Aftermarket Carburetor. 49cc scooter carburetor GY6 Four Stroke with Jet Upgrades.
7. hongyu #ad
Hongyu 50mm Bore Cylinder Head Kit for GY6 50cc to 100cc Engine with 69mm Valves scooter taotao kazuma ATV Moped #adhongyu #ad
- Head valve length 69mm， not 64mm. Cylinder bore Diameter ： 50mm. For your quick use of new accessories, please consult the picture information and product description before purchasing.
Kit includes: cylinder head, exhaust pipe screw, cylinder block assembly, intake pipe screw, exhaust pipe nut, exhaust pipe gasket four locating pins. Fit gy6 50cc to 100cc 139qa 139QMB Engine.
8. JCMOTO #ad
JCMOTO 125cc Engine 4 Stroke Motor Semi-Auto 3 Forward 1 Reverse Gear for ATV 4 Wheelers Tricycle #adJCMOTO #ad
- Speed complete racing engine, 3 forward 1 reverse gear. See below description for more specifications and wiring. Upgrade your stock 50cc to this 125cc monster, you can feel the power difference immediately. This 125cc semi-auto engine has reverse gear suitable for ATV UTV 4 Wheelers.