PISTON KIT YAMAHA JOG MINARELLI 90 100 50.00 PIN 12mm 2-STROKE 1P50QMF 1P52QMF
4.1 Trustpilot 99.9% positive on eBay
UK delivery £4.99, free over £60 2–4 business days
Spread the cost with 18+, T&Cs apply
Performance piston and ring set for 2-stroke scooter engines. Set is supplied for 50 mm bore applications used on selected 90 cc and 100 cc scooter motors. Meets or exceeds OEM quality standards with a direct OEM replacement design. Manufactured to tight tolerances for improved fit and consistent sealing. Piston diameter: 50 mm. Piston overall height: 64 mm. Piston compression height: 33.1 mm, measured from the centre of the pin to the lip of the crown. Piston pin diameter: 12 mm. Piston pin length: 41 mm. Package includes: piston, pin, rings and circlips.
- SKU
- 56-W0077.5000
- Brand
- Dirt Racing
- Availability
- In Stock (5)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 309702
FULL DESCRIPTION
Performance Piston and Ring Kit for 2-Stroke Scooters
Restore optimal engine performance with this high-quality piston and ring kit designed for compatible Jog, Minarelli, and Yamaha-type 2-stroke scooter engines. This set acts as a direct replacement for your original piston assembly, ensuring proper cylinder sealing, compression, and long-lasting engine durability.
This kit is specifically for applications requiring a 50 mm bore, commonly found on selected 90 cc and 100 cc scooter motors. Please compare the provided image with your current part before ordering to guarantee a correct visual match.
Key Features:
- Meets or exceeds original equipment manufacturer (OEM) quality standards.
- Designed for a direct OEM replacement, ensuring a precise fit.
- Manufactured to exacting tolerances for enhanced fitment and consistent sealing.
- Provides a cost-effective solution for engine maintenance and repair.
- Always check the product image against your existing part before purchase to prevent ordering errors.
Specifications:
- Piston Diameter: 50.00 mm
- Piston Overall Height: 64 mm
- Piston Compression Height: 33.1 mm (measured from the center of the pin to the crown's lip)
- Piston Pin Diameter: 12 mm
- Piston Pin Length: 41 mm
- Package Includes: Piston, piston pin, piston rings, and circlips.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


