17T Automatic Clutch Assembly for C70 DY100 Motorcycle

Product Overview

Replacement 17-tooth automatic clutch assembly for selected C70 and DY100-style motorcycle engines using a matching clutch configuration.

Designed for compatible horizontal-engine applications, this clutch assembly features a 17-tooth gear, approximately 10mm center hole, 40mm overall thickness, 42mm adjacent mounting-hole spacing, and 60mm diagonal mounting-hole spacing.

Before ordering, compare the tooth count, mounting-hole pattern, center bore, overall dimensions, and original clutch design with your existing assembly.

Product Compatibility

Application	Model / Engine	Fitment Notes
Motorcycle	C70	Selected compatible configurations
Motorcycle	DY100	Selected compatible configurations
Horizontal Engine	C70 / DY100 Style	Physical comparison required

Fitment Note: C70 and DY100-style engines can use different clutch configurations depending on engine version and manufacturer.

Do not confirm fitment by model name alone. Compare the 17T gear and clutch dimensions with the original part.

Specifications

Specification	Details
Product Type	Automatic Clutch Assembly
Application	Motorcycle / Horizontal Engine
Listed Models	C70 / DY100
Gear Tooth Count	17T
Adjacent Mounting Hole Spacing	Approx. 42 mm / 1.65 in
Diagonal Mounting Hole Spacing	Approx. 60 mm / 2.36 in
Center Hole Diameter	Approx. 10 mm / 0.39 in
Clutch Thickness	Approx. 40 mm / 1.57 in
Material	Metal
Condition	New
Package Quantity	1 Clutch Assembly

Key Features

• 17-Tooth Configuration: Designed for compatible C70 and DY100-style automatic clutch systems.
• Defined Mounting Pattern: Approximately 42mm adjacent and 60mm diagonal mounting-hole spacing.
• 10mm Center Hole: Provides an important dimensional reference for fitment verification.
• 40mm Clutch Thickness: Helps distinguish this assembly from similar-looking clutch versions.
• Replacement Assembly: Suitable for replacing a compatible worn or damaged automatic clutch unit.