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"I have owned 5 different scooters over the years. 250cc CFMOTO, Roketa 150cc 4-stroke GY6, United Motors 50cc 2-stroke and a SunL 50cc 4-stroke QMB139. I can rest assured that no matter what make or model I have, Partsforscooters.com will always have the parts I need. You have a customer for life!"
Mike R.-California

"I can say, without hesitation, service at your company far exceeds any other of the many distributors & manufacturers I deal with on a daily basis. Prior to opening my shop I spent 23 years as a project manager & customer service manager so I set the bar high for customer service & efficiency. Good job!" Bill Randall, President Fun & Functional Transportation

 



1 151-127 Left Crankcase, Type-1 for 50cc 4-stroke QMB139 engines. There are 3 versions of this crankcase, please check measurements before ordering.
$69.99
1 151-231 Left Crankcase, Type-2 for 50cc 4-stroke QMB139 engines. There are 3 versions of this crankcase, please check measurements before ordering.
$69.99
2 151-128 Rear Crankcase Bushing for 50cc 4-stroke QMB139 engines.
$3.99
Bearing 105-19 Radial ball bearing 6203A/42.
$7.99
4 105-47 Crankcase Bearing size 6201-2RS for 50cc 4-stroke QMB139 engines.
$6.49
5 151-3 Oil Seal size 17x30x6 for 50cc 4-stroke QMB139 engines.
$2.99
6 151-2 Oil Seal size 19.8x30x5 for 50cc 4-stroke QMB139 engines.
$2.99
8 151-129 Right crankcase for 50cc 4-stroke QMB139 engines.
$39.99
10 151-1 Crankcase Gasket for 50cc 4-stroke QMB139 engines.
$5.99
11 151-130 Main Stand Axis Bushing for 50cc 4-stroke QMB139 engines.
$3.99
12 151-131 Front Crankcase Bushing for 50cc 4-stroke QMB139 engines.
$3.99
13 151-132 Main Stand Pin for 50cc 4-stroke QMB139 engines.
$2.99
14 151-133 Crank Case Long Stud Bolt for 50cc 4-stroke QMB139 engines.
$3.49
15 151-134 Short Cylinder Stud Bolt for 50cc 4-stroke QMB139 engines.
$2.99
16 151-135 Drain Bolt Washer for 50cc 4-stroke QMB139 engines.
$0.99
17 151-136 Drain Bolt for 50cc 4-stroke QMB139 engines.
$1.99
18 151-137 Starter Clutch Bushing for 50cc 4-stroke QMB139 engines.
$2.49
24 151-173 Rear Brake Cam for 50cc 4-stroke QMB139 engines.
$5.49
25 151-174 Brake Cam O-ring for 50cc 4-stroke QMB139 engines.
$0.99
26 151-175 Rear Brake Camshaft for 50cc 4-stroke QMB139 engines.
$3.99
1 151-127 Left Crankcase, Type-1 for 50cc 4-stroke QMB139 engines. There are 3 versions of this crankcase, please check measurements before ordering.
$69.99
1 151-231 Left Crankcase, Type-2 for 50cc 4-stroke QMB139 engines. There are 3 versions of this crankcase, please check measurements before ordering.
$69.99
2 151-128 Rear Crankcase Bushing for 50cc 4-stroke QMB139 engines.
$3.99
Bearing 105-19 Radial ball bearing 6203A/42.
$7.99
4 105-47 Crankcase Bearing size 6201-2RS for 50cc 4-stroke QMB139 engines.
$6.49
5 151-3 Oil Seal size 17x30x6 for 50cc 4-stroke QMB139 engines.
$2.99
6 151-2 Oil Seal size 19.8x30x5 for 50cc 4-stroke QMB139 engines.
$2.99
8 151-129 Right crankcase for 50cc 4-stroke QMB139 engines.
$39.99
10 151-1 Crankcase Gasket for 50cc 4-stroke QMB139 engines.
$5.99
11 151-130 Main Stand Axis Bushing for 50cc 4-stroke QMB139 engines.
$3.99
12 151-131 Front Crankcase Bushing for 50cc 4-stroke QMB139 engines.
$3.99
13 151-132 Main Stand Pin for 50cc 4-stroke QMB139 engines.
$2.99
14 151-133 Crank Case Long Stud Bolt for 50cc 4-stroke QMB139 engines.
$3.49
15 151-134 Short Cylinder Stud Bolt for 50cc 4-stroke QMB139 engines.
$2.99
16 151-135 Drain Bolt Washer for 50cc 4-stroke QMB139 engines.
$0.99
17 151-136 Drain Bolt for 50cc 4-stroke QMB139 engines.
$1.99
18 151-137 Starter Clutch Bushing for 50cc 4-stroke QMB139 engines.
$2.49
24 151-173 Rear Brake Cam for 50cc 4-stroke QMB139 engines.
$5.49
25 151-174 Brake Cam O-ring for 50cc 4-stroke QMB139 engines.
$0.99
26 151-175 Rear Brake Camshaft for 50cc 4-stroke QMB139 engines.
$3.99