GOOFIT
40mm Cylinder Rebuild Kit with 10mm Piston for Jog 50 Zuma Vino 1E40QMB 2-Stroke Scooter
40mm Cylinder Rebuild Kit with 10mm Piston for Jog 50 Zuma Vino 1E40QMB 2-Stroke Scooter
5.0 / 5.0
(6) 6 total reviews
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Product Overview
Restore the legendary performance of your Minarelli-style engine with the GOOFIT 40mm Cylinder Rebuild Kit. Specially designed for 2-stroke 50cc Jog, Zuma, and Vino scooters, this kit is the ultimate solution for engine overhauls. Featuring a high-quality 10mm wrist pin piston, it offers superior heat dissipation and durability, ensuring your scooter runs smoother, cooler, and longer.
Product Compatibility
This kit is exclusively designed for the 2-Stroke 50cc 1E40QMB (Minarelli clone) engine.
⚠️ IMPORTANT: This kit uses a 10mm wrist pin. Please verify your original pin size before ordering, as it will not fit 12mm versions.
Vehicle Model Compatible Engine Brand Compatibility Yamaha Scooters Jog 50, Zuma 50, Vino 50 Genuine Yamaha & Clones European Scooters Minarelli Horizontal/Vertical Adly, Aprilia, Malaguti (Select models) Chinese Scooters 1E40QMB / 1PE40QMB TaoTao, Keeway, Bacci, Vento
Specifications
| Attribute | Details |
| Engine Type | 2-Stroke (1E40QMB) |
| Cylinder Bore | 40mm / 1.57" |
| Wrist Pin Diameter | 10mm / 0.39" (Standard) |
| Displacement | 50cc |
| Material | Wear-Resistant Cast Iron/Aluminum Alloy |
| Included Components | Cylinder, Piston, Rings, 10mm Pin, Clips |
Key Features
- Precision 1E40QMB Fitment: A direct replacement for the standard 2-stroke 50cc Jog engine and its numerous clones, ensuring perfect port timing and compression.
- 10mm Wrist Pin Design: Optimized for the standard 10mm configuration, providing a precise fit that reduces engine noise and vibrations.
- Advanced Heat Dissipation: Engineered with high-quality alloys that improve thermal conductivity, preventing overheating and extending the life of your engine seals.
- Superior Durability: The cylinder block and forged piston are built to withstand the extreme pressures of 2-stroke operation, significantly reducing the risk of "piston seizure."
- Enhanced Fuel Efficiency: Improved cylinder wall finish and ring sealing lead to more efficient combustion, resulting in better fuel economy and consistent power output.
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Fitment FAQ
Will this part fit my specific model and year?
This cylinder piston kit is intended for This kit is exclusively designed for the 2-Stroke 50cc 1E40QMB (Minarelli clone) engine.; ⚠️ IMPORTANT: This kit uses a 10mm wrist pin . Please verify your original pin size before ordering, as it will not fit 12mm versions.; Vehicle Model; Compatible Engine; Brand Compatibility; Yamaha Scooters; Jog 50, Zuma 50, Vino 50. Key physical/spec details from the product data include ⚠️ IMPORTANT: This kit uses a 10mm wrist pin . Please verify your original pin size before ordering, as it will not fit 12mm versions., Cylinder Bore: 40mm / 1.57", Wrist Pin Diameter: 10mm / 0.39" (Standard). Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. For this cylinder piston kit, also compare the bore diameter, piston-pin size, gasket pattern, stud spacing, engine code, stroke type, and cylinder height. This is especially important for Yamaha models because similar model names can use different parts by year or trim.
What models or situations does this part not fit?
Do not order this cylinder piston kit for machines outside the listed compatibility, or for units with different bore sizes, piston-pin diameters, stroke lengths, stud spacing, or gasket patterns. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the bore diameter, piston-pin size, gasket pattern, stud spacing, engine code, stroke type, and cylinder height. Recheck listed specs such as ⚠️ IMPORTANT: This kit uses a 10mm wrist pin . Please verify your original pin size before ordering, as it will not fit 12mm versions., Cylinder Bore: 40mm / 1.57", Wrist Pin Diameter: 10mm / 0.39" (Standard). If any connector, mounting point, size, or year detail is different, confirm fitment before installation.
Worth every penny,make my scooter runs again.
Exactly what I wanted. Great price
I honestly didn’t expect much for this price! But I was surprised! I would recommend this 100%
Great customer service. I had an issue with missing parts and they were really nice and prompt to work with. The parts I did receive were high in quality
Had my polaris running in under an hour. Please note that it did not come with a rod bushing/bearing.