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Dr. Pulley QMB139 Variator Kit
- Includes Instructions
- Includes Rear Plate Sliders
- Does Not Include Roller or Slider Weights
- Drive Face Outer Diameter (A): 89mm
- Boss Inner Diameter (C): 14mm
- Boss Outer Diameter (B): 20mm
- Ramp Plate Inner Diameter (D): 14mm
$120.99 Add to cart -
SSP-G QMB139 Performance Transmission Kit
- 1500 RPM Spring
- Spring Inner Diameter: 49mm
- Spring Height: 105mm
- Roller Weight Size: 16x13mm (8g)
- Variator Outer Diameter: 87mm
- Clutch Drum Number of Splines: 22
- Clutch Drum Spline Inner Diameter (peak to peak): 11.10mm
- Sliding Clutch Plate Outer Diameter: 119mm
$177.99 Add to cart -
SSP-G QMB139 50cc Adjustable Clutch Set
- Clutch Bell Inner Diameter: 107mm
- Clutch Bell Outer Diameter: 115mm
- Clutch Inner Diameter: 12mm
- Uses 6901 RS bearing
- Number of Splines (clutch bell): 22
- Splined Inner Diameter (peak to peak): 11mm
- Splined Inner Diameter (valley to valley): 12mm
- Adjustable Drive Sheave
- 1500 RPM Torque Spring
- Made in Taiwan
$121.99 Add to cart -
Universal Parts Electric Choke Assembly
- 2 Pin Male Plug
- Not compatible with Mikuni Branded Carburetors
$10.99 Add to cart -
101 Octane QMB139 Engine Mount
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Total Width (not including bushings): 8 3/8 Inches
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Length of Arms: 4 Inches
$31.99 Read more -
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Universal Parts 8×14 Dowel Pin
- Inner Diameter: 7mm
- Outer Diameter: 8mm
- Overall Length: 13.75mm
$4.99 Add to cart -
Universal Parts Camshaft Seat
- Height: 26mm
$11.99 Add to cart -
Left Crankcase Cover – QMB139 50cc Longcase
- Overall Length: 17 inches
- Total Mounting Holes: 11
- Bolt Holes: 9
- Dowel Holes: 2
$27.99 Read more -
Universal Parts Rear Drive Shaft O-ring
- Inside Diameter: 4.6mm
- Thickness: 1.3mm
$3.99 Add to cart -
Universal Parts QMB139 Carb Repair Kit
- Used on most Chinese 49cc, 4-stroke scooter carburetors
- Please see Related Items for corresponding carburetor
$17.99 Add to cart -
Universal Parts Intake Manifold QMB139 50cc- 1 Fitting
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1 Vacuum Port
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Engine Mount Side Inner Diameter: 17mm
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Carb Mount Side Inner Diameter: 26mm
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Bolt Hole Spacing: 45mm
$14.49 Add to cart -
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Universal Parts Muffler Assembly
- Exhaust Bolt Hole Spacing: 50½mm
- Overall Length: 26 inches
- Muffler Length: 13 inches
- Exhaust Pipe Length: 13 inches
$59.99 Add to cart -
Universal Parts Front Exhaust Pipe
- Engine Side Inlet: 19mm
- Engine Side Bolt Hole Spacing: 50mm
- Overall Length: 14 inches
$22.99 Add to cart -
Universal Parts Scooter Ignition Switch
Includes:
- Gas Cap Lock (covered)
- Seat Lock
- Ignition
- Glove Box Lock
- 2 Keys
- Plug Style: 4-pin, male
$42.99 Add to cart -
Universal Parts Stock Rear Muffler
- Overall Length: 14 inches
- Overall Diameter: 112.5mm
$62.99 Add to cart