RUITONDA PZ22 Carburetor 22mm for 110–125cc Pit Bikes & CRF50-style Engines — Direct-Fit, Durable

RUITONDA PZ22 is a 22mm replacement carburetor engineered to fit many 110–125cc pit bikes, ATVs and CRF50-style small engines for reliable fuel delivery and simple installation.

Designed as a direct-fit replacement for a wide range of Chinese and mini dirt bike models, the RUITONDA PZ22 carburetor restores throttle response and idle stability when an old unit is clogged, leaking, or out of tune. Built to match common PZ22 dimensions and mounting patterns, this carburetor is intended for hobby riders, mechanics, and DIYers who need a cost-effective parts swap to get their SSR, Coolster, TaoTao, or similar machine back on the trail.

Which models and engines is this carburetor compatible with?

The RUITONDA PZ22 is made to fit many 110cc–125cc Chinese and small-displacement machines and also works with CRF50/XR50-style engines. Typical compatible assemblies include SSR, Coolster, TaoTao, Coleman AT125, T-Force/Cheetah, Apollo Blazer, Pitster Pro, Sunl and similar platforms.

• SSR 110cc and 125cc pit bikes
• Coolster, TaoTao, Sunl and Piranha 110–125cc models
• Honda CRF50F / XR50 compatible assemblies (CRF-style intake geometry)
• Coleman AT125-EX and other small ATV applications

What are the key dimensions and mounting details?

Fitment is determined by intake and bolt spacing; this PZ22 matches common PZ22 standards so it replaces worn or damaged carburetors without extensive modification. Verify measurements against your machine to confirm fit.

• Intake outlet diameter (throat): 22mm
• Mounting bolt center distance: 48mm
• Recommended air filter inner diameter: 38–40mm
• Standard PZ22 throttle and choke connections for small engines

How will installing this carb affect performance and maintenance?

Replacing a degraded carburetor with a correctly sized PZ22 can improve throttle response, stable idling, and easier starting. It won’t alter engine displacement or power beyond restoring proper fuel/air metering; tuning may be required after installation.

• Restores correct fuel delivery and consistent idle
• May require minor jet or air screw adjustments for altitude or aftermarket exhausts
• Easy to service—bowl, float and jets are accessible for cleaning
• Durable materials suitable for off-road use when maintained

What should I check before buying and installing this carburetor?

Confirm physical fit and control compatibility before ordering. Examine throttle cable routing, choke type, and air-filter sizing to avoid surprises during installation.

• Measure intake bore and bolt spacing on your engine manifold
• Verify throttle and choke linkage types match your bike
• Ensure air filter inner diameter is 38–40mm or adapt with a sleeve
• Plan to adjust idle and mixture after installation for best results

Who is this for: The RUITONDA PZ22 carburetor is aimed at riders, mechanics and DIY enthusiasts who own 110–125cc pit bikes, ATVs or CRF50-style small engines and need a reliable, affordable replacement. It’s ideal for restoring machines with clogged jets, leaking bowls or otherwise failing fuel systems, and for anyone who wants a straightforward, serviceable carburetor that follows standard PZ22 dimensions.