Morini 47mm Piston Kit for Scooters & Mopeds
ITEM# TT-16001
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Description
47mm Piston Kit for Morini Engines in Scooters and Mopeds
This 47mm piston set is built for Morini AD50 engines, which are found in a range of scooters and mopeds from brands such as Hyosung, Suzuki, and TGB. The package contains everything needed for a full swap: piston, piston pin, rings, and circlips. It is one of the scooter pistons & piston rings that riders commonly swap out to keep their engines running well.
Engine Specifications
The Morini AD50 is a horizontal, single-cylinder, 2-stroke engine that relies on ambient air for cooling and uses a reed valve on the intake side. Displacement is 49cc, with a 41mm bore and a 37.4mm stroke. A continuously variable (CVT) automatic transmission drives the engine, which can be started either electrically or by kick.
Replacement Considerations
Signs that the piston may need attention include reduced power and heavy exhaust smoke. Staying on top of routine upkeep and replacing worn parts when needed can help the engine perform better over time. This kit is designed to drop into the existing setup, so it is a simple job for anyone comfortable with scooter maintenance.
Specifications
- Piston Outer Diameter: 47mm
- Total Piston Height: 45mm
- Compression Height: 19mm
- Wrist Pin Diameter: 10mm
- Wrist Pin Length: 39.8mm
- Includes: Piston, pin, rings, circlips
- Fits: Morini AD50 engines on Hyosung, Suzuki and TGB street scooters, and Morini 70cc 2-stroke engines
Fitment
Fits:
- Morini AD50 engine (49cc, 2-stroke, 41mm bore) on Hyosung, Suzuki and TGB street scooters
- Aprilia, Italjet, KTM, Malaguti and other Moto Morini / Franco Morini engines (listed by the seller)
- Benelli 491 ST
- Derbi Vamos
- Italjet Formula 50, Formula 50 LC, Torpedo 50, Velocifero 50
- Malaguti Crosser CR1
- Peirspeed Bolero, Delivery, Key Largo, Key West, Laser R5, Laser R9, Outback, R50X, RM50, Sunset
- Suzuki Address 50, AP50, AZ50, Hi-Up, Lets II, Mollet 50, SJ50-QT, Sepia 50, Sepia ZZ, Street Magic, TR50, Verde, ZZ
- Morini 70cc 2-stroke
How to choose: Confirm that your engine's bore is 47mm, then match the 47mm piston outer diameter and 10mm wrist pin to your setup before ordering.
Shop more: Scooter Pistons & Piston Rings · Scooter Parts
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