🛵 America’s #1 Source for Scooter Parts, Gear & Performance Upgrades

🚚 Fast, Free Shipping Across the Continental U.S.—No Minimum Required*

 From Vintage to Modern—We’ve Got the Parts That Keep You Rolling

NCY Case Boring Tool (GY6)

NCY Case Boring Tool (GY6)

$185.33

10 in stock

*Note: Free shipping to U.S. mainland (excludes AK, HI, and territories)
Orders placed by 1pm EST on weekdays ship the same day.

Product Details

DESCRIPTION: The NCY Case Boring Tool is a must for most large bore projects on GY6 cylinders (up to 67mm) and other model cylinders (up to 72mm).Compatibility:RS 100SUPER-4 100JOG 100GTR 125GTR AERO 125RS ZERO 100RS Z-100BWS 125BWS 125 XNEW CYGNUS 125CYGNUS 125CUXI 100SV-MAX 125SV 125AXIS TREE 125FUZZY 125FORCE 125MAJESTY 125NEW DUKE 1254V 125X-PRO 125NEW X-PRO 125ATTILA 125FIGHTER 125/150NEW FIGHTER 150GY6 125/150DUKE125G3 125G4 125G5 1504U 100KIWI 100JR 1004V MOVIE 125NEW G5 125/150BUBU 125BUDDY 125/150/170BLUR 150G-MAX 150Note:ScootsUSA recommends using a drill press or hand drill equipped with a clutch when using this product.About NCY:NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 / QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.Made in Taiwan.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.
COMPATIBILITY: RS 100
NOTE: ScootsUSA recommends using a drill press or hand drill equipped with a clutch when using this product.About NCY:NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 / QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.Made in Taiwan.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.

Additional information

Weight 2.906 lbs
Dimensions 5.5 × 5.5 × 5 in

Compatibility / Fitment

Use the fitment details below to confirm this part matches your scooter before ordering.

  • Engine Size: GY6
  • Fits Models / Common Applications: Genuine Buddy and other compatible models may apply.
  • Fitment Notes: Performance

Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.

Common Fitment Questions

Q: Will this fit a Genuine Buddy?

A: This SKU is listed with Genuine Buddy model fitment where the scooter also matches the listed engine or fitment notes.

Q: Is this for GY6 scooters?

A: This SKU is listed with GY6 engine-size fitment. Confirm exact model, year, and part style before ordering.

Additional information

Weight 2.906 lbs
Dimensions 5.5 × 5.5 × 5 in
Shopping cart0
There are no products in the cart!
Continue shopping
0