Difference between revisions of "Derbi Variant Piston Port Specifications"
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==Engine== | ==Engine== | ||
− | + | "Specifications" | |
+ | *Stroke: 43mm | ||
+ | *Bore: 38mm | ||
+ | *Displacement: 48.7cc | ||
+ | *Compression 8.5:1 | ||
+ | *Rotation: CCW Facing Magneto | ||
'''Main Bearings''' | '''Main Bearings''' | ||
*17x40x12mm - 6203 | *17x40x12mm - 6203 |
Revision as of 22:21, 6 June 2017
Contents
Engine
"Specifications"
- Stroke: 43mm
- Bore: 38mm
- Displacement: 48.7cc
- Compression 8.5:1
- Rotation: CCW Facing Magneto
Main Bearings
- 17x40x12mm - 6203
- 17x47x14mm - 6303
Main Seals
- 17x28x6mm - Qty2
Case Bearings
- 25x52x15mm - 6205
- 15x42x13mm - 6302 (Watch out for cheap 6302 bearings, some come 16x42x13mm)
Case Seals
- 16x24x4mm - Qty2
- 15x30x7mm
- 25x40x7mm
Ignition
Timing Advance
- 1.8mm Before TDC
Point Gap
- 0.35mm to 0.4mm
Drivetrain
Chain
- 415 Size
- ? Links
Standard Front Sprocket
- ? T
Standard Rear Sprocket
- 30T
Variant Frame
Headset Bearings
- 3/16" loose ball bearings - Qty46
- Bearing Services part #STL-3/16GR25
Spoked Wheel Bearings
- 12x32x10mm - 6201-2RS - Qty4
Spoked Wheel Brake Pads
- 105x20mm - Qty2
- Tomos pads could fit with modification