Difference between revisions of "Derbi Variant Piston Port Specifications"

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Revision as of 22:11, 6 June 2017

Engine

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