Product Details
Description
Prima Cylinder Kit (Aluminum, 58.5mm, 161cc); Buddy 125 ONLY
Key Details
- ONLY FOR BUDDY125 13mm wrist pin
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Fits Models / Common Applications: Genuine Buddy and other compatible models may apply.
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.
Additional information
| Weight | 5.187 lbs |
|---|---|
| Dimensions | 11 × 6 × 6 in |
Unlock serious performance from your Genuine Buddy 125 with this 161cc big bore cylinder kit made by NCY. Displacing 161cc via a 58.5mm bore, this bolt-on upgrade delivers up to a 36% increase in horsepower over the stock 125cc configuration — all with a complete gasket set and hardware included for a clean, straightforward install.
Note: For off-road use only. Fits Genuine Buddy 125 exclusively. Wrist pin: 13mm.
Key Features
- 58.5mm bore — increases displacement from 125cc to 161cc
- Up to 36% more horsepower over stock
- Cast iron cylinder for durability and heat dissipation
- Cast aluminum piston for reduced reciprocating weight
- 13mm wrist pin with circlips included
- Complete gasket set included (head gasket, base gasket, exhaust gasket)
- Piston rings included
- Bolt-on fitment — no case machining required
- Bore: 58.5mm
- Displacement: 161cc
- Wrist Pin: 13mm
- Cylinder Material: Cast Iron
- Piston Material: Cast Aluminum
- Kit Includes: Cylinder, piston, wrist pin, circlips, piston rings, full gasket set
- Weight: 5.19 lbs
- Dimensions: 11" L x 6" W x 6" H





