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101 Octane Alternator Stator Version 1 for GY6 50cc 139QMB / QMA

$29.99

MB139 Alternator Stator version 1 for GY6 50cc 139QMB / QMA by 101 Octane Scooter Parts

Alternator with cable connector/plug and Pick-up sensor. These alternators are currently available in 2 different versions. The difference is the insulated coils; Version 1 has 2 insulated coils. The difference is more accurately shown in the 2nd product image. The main connector can has 2 or 3 pins on this version. Image shown is Version 1.

101 Octane are high quality QMB139 50cc parts and accessories. One of our top recommended brands for replacement accessories. You can buy with confidence for 101 Octane is one of the best parts brands we offer.

 

Athena Platinum Transmission Belt Code: S41PLAT028

$24.99

Dimension: 20.00×435.00×20.00 Weight: 120.00 g Suitable for Adly NOBLE 4 TEMPI – Scooter Adly SUPERSONIC 4 TEMPI – Scooter Adly TB THUNDER BIKE 4 TEMPI – Scooter Aeon TORCH – 2008/2009 – Scooter Atu METEORIT KB AC 4T (99/05 – …

RDR Performance Clutch Bell/Drum for QMB139 / GY6 QMI/QMJ 152/157

$34.99

RDR Performance 112mm Clutch Drum for 50cc 4-stroke QMB139 engine based scooters, ATVs and off-road karts. Number of Splines: 22 Overall Inner Diameter: 112mm Overall Outer Diameter: 121mm Splined Inner Diameter (peak to peak): 11mm Splined Inner Diameter (valley to …

RnDmoto Variator Sheave (Outer) – Machined Anodized for GY6-50 139QMB / QMB139

$24.99$29.99

Precision machining and aircraft grade materials make our variator outer sheave the performance choice. Throw cool colors on it and show it off with our open belt cover AnkleBiter! Expect not only cool looks but smoother performance, cooler belt temps, …

Universal Parts 139QMB Longcase Engine 49cc GY6-50

$389.99

Universal Parts Premium QMB139, 49cc 4-Stroke complete engine, long crankcase version is the top of the line aftermarket replacement engine available in the marketplace. This is the only engine that has earned the Universal Parts stamp for their stringent quality …

Engine oil seal set Naraku for Kymco 4-stroke, GY6 50cc, 139QMB

$8.99

Complete set of quality crank oil seals from Naraku, for scooters with 50cc Kymco 4-stroke and GY6 engines. Set contains all the important oil seals found in the engine. A must for engine overhauls. Purchasing individual shaft seals is usually …

Top Racing Scooter Clutch Spring Kit by Top Racing Performance Parts for GY6-50/139QMB

$14.99

Top Racing offers you a cheap but very good clutch spring kit in three different weights. for original 3 shoe clutch and 107mm Top – Racing clutches used in the GY6-50/139QMB green 15% stiffer, red 30% stiffer, blue 50% stiffer …

MFR Roller Weights 16×13

$9.99

These are 16×13 roller weights so they will fit most scooters with the 139QMB engine, such as the GY6 50 or Tao Tao. These are Japanese rollers. For those of you unfamiliar with roller weights, they are an important tuning …

PFP Variator Roller Weights 16×13 used mainly in GY6-50 49cc 139QMB Chinese Scooters, Kymco, etc.

$9.99

These are 16×13 roller weights so they will fit most scooters with the 139QMB engine, such as the GY6 50 or Tao Tao. Produced by Custom Japan. For those of you unfamiliar with roller weights, they are an important tuning …

Naraku Engine oil seal set for Kymco 4-stroke, GY6 50cc, 139QMB

$7.99

Complete set of quality crank oil seals from Naraku, for scooters with 50cc Kymco 4-stroke and GY6 engines. Set contains all the important oil seals found in the engine. A must for engine overhauls. Purchasing individual shaft seals is usually …

Malossi Roller Weights 16 x 13

$14.99

Malossi Roller

Here you go, it’s time to get those old rollers replaced, or you’ve done some modifications and want to get your scoot in tune. Rollers are the way you set the engine speed. Lighter weight raise engine speed, heavier weights lower engine speed. Be careful, higher is not always better as you can rev right past your torque curve and just spin out without any thrust. Too heavy a weight and you will be below your torque curve. Use rollers to experiment with the proper weight can be very rewarding. These are quality copper fine finish rollers that are far superior to original

NCY Rollers 16 x 13

$19.99

NCY Rollers

Here you go, it’s time to get those old rollers replaced, or you’ve done some modifications and want to get your scoot in tune. Rollers are the way you set the engine speed. Lighter weight raise engine speed, heavier weights lower engine speed. Be careful, higher is not always better as you can rev right past your torque curve and just spin out without any thrust. Too heavy a weight and you will be below your torque curve. These are quality copper fine finish rollers that are far superior to original. 139QMB

 

 

Naraku Variator Rollers Set 16×13 for Honda Dio, 139qmb, GY6-50

$9.99

These are 16×13 rollers, they are suitable for most scooters with the 139QMB engine, such as the GY6 50 or Tao Tao For those of you unfamiliar with roller weights, they are an important tuning device and have a significant …

SSP-G / Hoca 50mm QMB139/139QMB 50cc Performance Cylinder Head

$129.99

SSP-G 50cc QMB139 4-stroke 50mm, performance cylinder head. 50cc QMB139 4-stroke 50mm, performance cylinder head. Please note: replaces Cylinder Heads with 64mm Valves (Short Valve Style). Intake Valve Diameter: 21.5mm Intake Port Diameter: 24mm Exhaust Valve Diameter: 18.9mm Exhaust Port …

TechPulley Flying Roller II 16×13

$19.99

These are 16×13 roller weights/sliders, so they will fit most scooters with the 139QMB engine, such as the GY6 50 or Tao Tao. For those of you unfamiliar with roller weights, they are an important tuning device and have a …