STIHL 064 065 066 MS650 MS660 Carburettor

The Gasket Genius carburettor for Stihl 064, 065, 066, MS650 and MS660 chainsaws is manufactured to OEM specifications for correct fit and reliable fuel metering on these large‑displacement, two‑stroke saw models. Designed as a direct replacement, this carburettor restores proper air‑fuel delivery, smooth throttle response and stable idle performance. It is compatible with common diaphragm‑style carburettors such as Walbro WJ‑67A, WJ‑76A and Zama C3A‑S31 used on these machines, replacing original Stihl part numbers such as 1122 120 0621.

Fits specified Stihl models:

• Stihl 064

• Stihl 065

• Stihl 066

• Stihl MS650

• Stihl MS660

Compatible carburetor types:

• Walbro WJ‑67A

• Walbro WJ‑76A

• Zama C3A‑S31

Replaces part number:

• 11221200621