Description
Valve Guide for 50cc 4-Stroke Engines
This valve guide is designed specifically for 50cc 4-stroke engines, particularly the QMB139 models. It's a key component in the cylinder head assembly, helping to ensure proper valve operation and engine performance. Like most scooter cylinder heads & valves, it is important for maintaining effective engine function. If you're experiencing low compression or issues like ticking or burnt valves, this part may be necessary for your repairs.
When to Replace It
Replacement of the valve guide may be needed when your engine shows signs of poor performance, such as low compression or irregular noises. Ensuring the guide matches your engine's bore size and code is important for effective operation and engine longevity.
Specifications
- Overall Length: 31 mm
- Fits: QMB139 50cc/49cc engines
Fitment
This valve guide fits the following engines:
- QMB139 50cc/49cc
Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.
Shop more: Scooter Cylinder Heads & Valves · Scooter Parts
Customer Reviews
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.