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OS Motors Crankshaft 21XZ-B Speed (OS Motors OSMG4522 | OSMG4522)
OS Motors Crankshaft 21XZ-B Speed

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Model: OS Motors OSMG4522
Dist. #: OSMG4522   SKU: OSMG4522

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List Price:  $199.99
Price:  $174.99
You Save:  $25 (13%)

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Updated on Sep 27, 2025 12:53:09 AM

Crankshaft 21XZ-B Speed...
This is the Crankshaft for the O.S. Max XZ-B Speed Engine - OSMG2051
The crankshaft fits into the crankcase and the clutch nut,
    flywheel, bearings and con rod mount to this shaft.

FEATURES:
DLC covered crankshaft with silicone filled intake passage for
    improved fuel flow

INCLUDES:
One Crankshaft for the O.S. Max .21 XZ-B Speed Engine

SPECIFICATIONS:
Length: 76mm (2.99")
Crankshaft threading: 1/4-28
Pilot shaft size: 5mm (.20")
Crankshaft size: 7mm (.28") (flywheel position)

NEEDS:
Diassembling engine to set up Crankshaft
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