Product Details
Description
Universal Parts GY6 “200cc” 61mm Cylinder Head
Key Details
- 164-344
Specifications
- Height: 64mm (Not Including Valve Springs) Exhaust Valve Diameter: 23mm Intake Valve Diameter: 27mm Exhaust Port: 23mm Intake Port: 24mm Exhaust Stud Size: 8mm GY6 200cc 161QMK, Various unlisted makes/models
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 200cc, GY6
- Engine Code: 161QMK
- Fitment Notes: Universal Fit
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 161QMK engine?
A: This SKU is listed as compatible with 161QMK engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Is this for 200cc scooters?
A: This SKU is listed with 200cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 3.7 lbs |
|---|---|
| Dimensions | 5 × 7 × 7 in |
Universal Parts 61mm cylinder head for the 161QMK 4-stroke engine commonly found in "Tank 200" models and other "200cc" GY6-based engines. This QMK engine uses a larger cylinder stud spacing than standard GY6 engines — verify your stud spacing before ordering. Includes intake and exhaust studs. Fits GY6-powered buggies, ATVs, and go-karts with the 161QMK engine.
- Combustion Chamber: 61mm
- Cylinder Stud Spacing (diagonal): 79mm
- Overall Height: 64mm (not including valve springs)
- Intake Valve Diameter: 27mm
- Exhaust Valve Diameter: 23mm
- Intake Port: 24mm
- Exhaust Port: 23mm
- Exhaust Stud Size: 8mm
- Includes: Intake and exhaust studs
| Engine | Application |
|---|---|
| GY6 161QMK | "200cc" buggies, ATVs, and go-karts with 79mm diagonal stud spacing |
| 161QMK | "Tank" 200 model scooters |
This product is intended for off-road and racing use only. Not intended for use on public roads.





