Product Details
Description
Malossi Replacement Piston Rings (47 mm) is a replacement piston assembly for compatible 139QMB scooter engine repairs or rebuilds.
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Code: 139QMB
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Additional information
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 5 × 4 × 1 in |
317083
3111143
3111146
3111667
3112043
316926
317200
317237
317353
319747
319987
Piston ring 47,0 mm x 1.5 mm kit-complete (2 pieces)
For spare parts:
* 47,0 mm pistons steh. 346,172 Minarelli Scooter 50 (+ lie.), Honda Lead (68ccm Malossi Gußzylinder)
* 346,445 Piston 47,0 mm Scooter 50 Morini, Suzuki, Derbi (65ccm Malossi Gußzylinder)
* 347,036 Piston 47,0 mm Scooter 50 Piaggio, Peugeot, Honda, Kymco (68ccm Malossi Gußzylinder)
* 344,453 Piston 47,0 mm Vespa 4-speed 50S/PK 50 (75cc Malossi Gußzylinder)
* 3112043 cylinder head castings Scooter 65ccm Aprilia SR 50 Di-Tech (including control), water cooled
* 3111146 cylinder head castings Derbi Scooter 65ccm (water-cooled until 2003)
* 3111143 cylinder head castings Derbi Scooter 65ccm aircooled
* 319,747 cylinder head castings Morini water cooled scooter 65ccm
* 318,723 cylinder head castings Scooter 65ccm Morini, Suzuki Air-cooled
* 319,541 cylinder head castings 65ccm scooter Suzuki, Aprilia watercooled
* 317083C Scooter 68ccm cylinder head castings CPI Keeway, Generic Euro2
* 317,083 cylinder head castings Minarelli 68ccm Scooter lieg.Zylinder aircooled
* 317,237 cylinder head castings Minarelli 68ccm scooter steh.Zylinder
* 318,284 cylinder head castings 68ccm scooter Minarelli watercooled
* 316,926 cylinder head castings 68ccm Piaggio Scooter Air-cooled
* 317,353 cylinder head castings 68ccm Piaggio Scooter Water-cooled
* 3112893 cylinder head castings Peugeot 68ccm scooter lieg.Zylinder watercooled
* 317,133 cylinder head castings Peugeot 68ccm scooter steh.Zylinder aircooled
* 3112502 cylinder head castings Peugeot Scooter 68ccm TDSI lieg.Zylinder WATER. (inkl.Steuergerät)
* Water-cooled cylinder head 3112044 Scooter 68ccm Piaggio Purejet molding (including control)
* 318,734 cylinder head castings Scooter 72ccm Honda SFX, SGX Sky, SH 96
* 317,200 cylinder head castings 72ccm Scooter Kymco, Honda, Daelim
* 319,879 cylinder head castings Scooter 72ccm Honda X8R aircooled
* 319,987 cylinder head castings 72ccm Scooter Kymco lieg.Zylinder aircooled
* 3111667 cylinder head castings Kymco scooter 72ccm watercooled
* 3113570 cylinder head castings 72ccm scooter Sym (Sym Motor)
* 317,903 cylinder heads with 75cc Vespa 4-speed molding 50S, PK 50
* 316,170 without cylinder head castings Honda Lead 68ccm scooter 50, SH 50
* 316,405 without cylinder head castings 68ccm Scooter Kymco DJ X, Peugeot Rapido, ST
* 3112153 cylinder head without molding Peugeot Scooter 68ccm TDSI steh.Zylinder (including control)
* 318,286 without cylinder head castings 72ccm Scooter '94 Honda Dio ZX
* 316,998 without cylinder head castings Scooter 72ccm Honda Shadow 50
* 318,091 without cylinder head castings Kymco scooter 72ccm, Quad MXER 50 (Direktansauger)





