Honda CRF50F 2004-2015 Service Manual page 7

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The Vehicle Identification Number (VIN) is stamped on the left side of
the steering head.
The engine serial number is stamped on the lower left side of the
crankcase.
The model identification label (U.S.A.) or the safety Certification label
(Canada) is located on right side of the steering head.
The carburetor identification number is stamped on the right side of
the carburetor body as shown .
GENERAL INFORMATION
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