Product Details
SPECIFICATIONS:
- Bore: 63mm
- Outer Sleeve Diameter: 64.9mm
- Displacement Increase to 180cc
- Overall Height (Cylinder): 90mm
COMPATIBILITY:
- Amigo – 150cc Scooters, ATVs
- Apollo – 150cc Scooters, ATVs, Go Karts
- Baotian – 150cc Scooters
- Baron – 150cc Scooters
- Bintelli – 150cc Scooters
- BMS – 150cc Scooters, ATVs, Go Karts
- Coolster – 150cc Scooters, ATVs, Go Karts
- Diamo – 150cc Scooters, ATVs
- Flyscooter – 150cc Scooters
- Gorilla Motor Works – 150cc Scooters
- Ice Bear – 150cc Scooters, ATVs, Go Karts
- Italica – 150cc Scooters
- JCL – 150cc Scooters, ATVs, Go Karts
- Jonway – 150cc Scooters
- Kandi – 150cc Scooters, ATVs, Go Karts
- Kinroad – 150cc Scooters, ATVs, Go Karts
- KMD – 150cc Scooters, ATVs, Go Karts
- Lance – 150cc Scooters, ATVs, Go Karts
- Leike – 150cc Scooters
- Linhai – 150cc Scooters
- Longbo – 150cc Scooters
- Motobravo – 150cc Scooters, ATVs, Go Karts
- Motofino – 150cc Scooters
- Motorino – 150cc Scooters
- NST – 150cc Scooters, ATVs, Go Karts
- Peace – 150cc Scooters
- Puma Cycles – 150cc Scooters
- Redstreak – 150cc Scooters
- Roketa – 150cc Scooters, ATVs, Go Karts
- Scootstar – 150cc Scooters
- Schwinn – 150cc Scooters
- SSR – 150cc Scooters, ATVs, Go Karts
- SUNL – 150cc Scooters, ATVs, Go Karts
- Supermach – 150cc Scooters, ATVs
- Tank Sports – 150cc Scooters, ATVs
- TaoTao – 150cc Scooters, ATVs, Go Karts
- Trailmaster – 150cc Scooters
- Veloz – 150cc Scooters
- Verucci – 150cc Scooters, ATVs, Go Karts
- Vitacci – 150cc Scooters, ATVs, Go Karts
- Viva – 150cc Scooters, ATVs, Go Karts
- Wolf – 150cc Scooters
- Xingyue – 150cc Scooters
- ZNEN – 150cc Scooters
NARAKU 63mm GY6 CYLINDER BIG BORE BLAST KIT. RP-NK600.02 An outstanding 180cc big bore cylinder kit from Naraku for GY6 based 125/150cc engines. The bore is 63mm, so the crankcase must be modified at the cylinder inlet. This Naraku tuning .cylinder kit fits on many air-cooled 4-stroke 125-150cc Kymco, REX and Keeway scooter engines and most Chinese import 125/150cc vehicles (scooters, quads and buggies).
To retrieve the full power output of the cylinder, an available cylinder head with larger valves should be installed. When this cylinder does not satisfy your power needs you can also gain more power by installing a Naraku sport camshafts with modified valve timing. ATTENTION: Cylinder head not included.
This is NO Plug & Play installation. It is essential that your work is clean and accurate because your work must go to the very edges. Note: Please measure your crankcase opening before ordering to make sure there is enough space available to modify to fit the cylinder foot in the crankcase. In some models. The crank opening must be modified in order to create enough space for mounting these big-bore cylinders. The outer diameter of the cylinder liner (which extends into the crankcase) is 65mm. 180cc Big Bore Kit for GY6 based engines 125/150cc. The bore is 63mm, so the crankcase must be processed at the cylinder housing, clean work, and here is accuracy in demand because it goes to the very edges.
No Plug & Play installation. Kit fits on many air-cooled 4 stroke 125-150cc Kymco engines (scooters), and most Chinese import 125/150 cc vehicles (scooters, quads and buggies). Suitable with stock cylinder head. To retrieve the full power out of the cylinder for GY6 (not Kymco) is also available in addition, a cylinder head with larger valves to be installed. For all the stands Jeniger, which reaches yet this is still a sport camshafts with modified valve timing is available. Item Nr.: NK600.02 EAN/UPC: 4250362411006 CYLINDER KIT 63MM GY6 150cc to 200cc Cylinder Upgrade More than likely will require boring out the engine
**NOTE: YOU WILL HAVE TO BORE OUT YOUR ENGINE TO COMPLETE INSTALLATION**
**MADE IN TAIWAN**
**NOTE: Electrical, High Performance, Aftermarket items are non-returnable so please check photos and specifications before ordering.
Please see our Warranty and Returns Policy
Additional information
| Dimensions | 12 × 9 × 6 in |
|---|---|
| Manufacturer Name | Naraku |
| Manufacturer Part Number | NK600.02 |
| Part Number | 13711 |





