Universal Parts
Universal Parts M10x1.25 Flywheel Nut - Yamaha Jog
Description
This Universal Parts M10 x 1.25 flywheel flange nut replaces worn or damaged flywheel-retaining hardware on compatible Yamaha Jog-style 1PE40QMB 50cc two-stroke engines. Whether you're finishing an ignition repair or putting an engine back together, its hex profile and integral flange provide the matching fastener shape for the flywheel assembly.
Key Features
- Flywheel-retaining application: Replacement nut for compatible 50cc two-stroke Minarelli-style 1PE40QMB Jog engines.
- M10 x 1.25 thread: 10mm nominal thread diameter with a 1.25mm pitch.
- Hex profile: External hex faces provide access for a matching wrench or socket.
- Integral flange: Built-in flange provides a bearing surface at the base of the nut.
Technical Specifications
- Brand: Universal Parts
- Part number: 161-159
- Part type: Flywheel hex flange nut
- Thread size: M10 x 1.25
- Nominal thread diameter: 10mm
- Thread pitch: 1.25mm
- Engine platform: Minarelli-style 1PE40QMB / Yamaha Jog-style
- Engine displacement: 50cc
- Engine cycle: Two-stroke
- Quantity: One nut
Compatibility
| Application | Engine code | Required match |
|---|---|---|
| Yamaha Jog-style / Minarelli-style 50cc two-stroke engines | 1PE40QMB | M10 x 1.25 flywheel-retaining thread and matching flange arrangement |
Check the engine code stamped on the engine case and compare the original flywheel nut before ordering. This is for compatible two-stroke 1PE40QMB applications, not a universal nut for every 50cc scooter. Use the engine manufacturer's tightening procedure and torque specification.
Product Diagrams
Features
Specifications
Brand: Universal Parts; Part number: 161-159; Type: flywheel hex flange nut; Thread: M10 x 1.25; Nominal thread diameter: 10mm; Thread pitch: 1.25mm; Engine platform: Yamaha Jog-style / Minarelli-style 1PE40QMB; Displacement: 50cc; Cycle: two-stroke; Quantity: one nut
Model Fitments
Compatible Yamaha Jog-style / Minarelli-style 1PE40QMB 50cc two-stroke engines; confirm M10 x 1.25 flywheel thread and flange arrangement against original hardware