Blue Line 37T Kickstart Idle Gear - GY6 125/150cc

Get your scooter's kickstart working again with this Blue Line kickstart idle gear for compatible GY6 125/150cc four-stroke engines. This aftermarket replacement transfers force through the kickstart mechanism, making it a practical repair for a worn or damaged intermediate gear. The assembly combines a large outer gear with cutouts and a smaller helical pinion at the center hub.

Key Features

• Restore kickstart engagement: Replaces a worn or damaged intermediate gear in the kickstart drive.
• Combined gear assembly: Includes the large outer spur gear and smaller central helical pinion.
• 37-tooth specification: Matches the specified outer gear tooth count for compatible applications.
• Cutout design: Openings in the outer gear reduce material around the central hub.
• GY6 replacement application: Intended for matching 125/150cc four-stroke engines equipped with a kickstart mechanism.

Technical Specifications

• Brand: Blue Line
• Part number: 1100-1145
• Classification: Aftermarket replacement
• Part type: Kickstart idle / reduction gear
• Outer gear tooth count: 37
• Shaft diameter specification: 12 mm
• Overall length: 98 mm
• Engine application: GY6 125/150cc horizontal four-stroke with kickstart
• Quantity: One gear assembly

Compatibility

This gear serves the kickstart mechanism, not the electric starter. A scooter may have both electric and kick starting; the presence of an electric starter does not by itself rule out fitment. Not for 161QMK or engines without a compatible kickstart mechanism. Compare the original gear and confirm fit before ordering.

• Aftermarket kickstart idle / reduction gear
• Outer spur gear with cutouts and central helical pinion
• 37 teeth, 12 mm shaft specification and 98 mm overall length
• For compatible kickstart mechanisms, not the electric starter drive
• GY6 125/150cc application; compare gear dimensions and configuration

Brand: Blue Line; Part number: 1100-1145; Classification: aftermarket; Type: kickstart idle / reduction gear; Outer gear teeth: 37; Shaft diameter specification: 12 mm; Overall length: 98 mm; Engine: compatible GY6 125/150cc horizontal four-stroke; Contents: 1 gear assembly; Requires: matching kickstart mechanism; Excludes: 161QMK and engines without compatible kickstart hardware

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