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Honda QA50 Specifications

Specifications

  • Engine - Air cooled 4 stroke OHV (pushrod) engine, single cylinder angled 80 degrees from vertical, displacing 2.99cu-in or 49cc.
  • Oil - Wet sump, takes SAE 10W40 (2.1 pints or 1 litre).
  • Tappet Clearance - 0.0002in or 0.05mm.
  • Sparkplug - NGK C7HSA with 0.024in or 0.6mm gap.
  • Points - 0.012in or 0.3mm gap.
  • Transmission - 2 Speed with wet semi-auto multi plate clutch.
  • Final Drive Chain - 428 x 120 L.
  • Cylinder - Type = Cast iron, Ovality limit 0.002in or 0.05mm, Taper limit 0.002in or 0.05mm, Cylinder to piston clearance 0.001in or 0.02mm limit is 0.004in or 0.11mm.
  • Piston Rings - Gap = Top & 2nd 0.001 - 0.014in or 0.15 - 0.35mm,         Oil Ring = 0.008 - 0.02in or 0.2 - 0.5mm.
  • Torque Wrench Settings for head and barrel studs - 10.1 lbt

     

 

 

The Honda QA50 Site
 
By REDEYE RAY