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17.5 HP Minibike Dyno run

1,431 views · Published 4 September 2009 · 0:20 · Indexed 21 September 2026

Channel: HBPowerwall · 2009 · Sports

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Base motor - YX140cc

Head: STD head except for port matched inlet & exhaust.
Coil: High powered coil & Lead
Plug: NGK Iridium CR6HIX Plug
Piston: 146cc STD Compresion Piston 57mm
Stator: IRK & Sling
Cam: A7 cam (7mm lift) & HD springs outer springs Std inners
Clutch: HD clutch springs (Akunar) std clutch
Oil: Motul 5100 motor oil
Carbie: 24mm Mikuni Carbie, Red 44mm UniFilter
Inlet: Alloy & Rubber upgraded inlet - port matched to intake, intake port matched to head
Sprokets: 13t front 37t rear 428 pitch
Chain: 428pitch DID chain & Skateboard wheel chain guide
Tyres: Dunlop TT92 front tyre 90/12" mounted on a 12" x 2.15", Dunlop TT92 rear tyre 110/12" mounted on a 12" x 2.50"
suspension: Fast Ace AS02's & Fast Ace BS58AR rear
Cooling: HONDA format performance oil cooler kit (Akunar)
Brakes: AS02 front brake setup that works like no other with a 190mm disk & braded lines
Frame: Alloy Frame (50cc china frame 3kgs inc subframe)
Hangers: Pro Taper SE hangers & Grips, Silver Fold back brake leavers, 1/4 turn throtle & Barkbusters leaver guards
Foot pegs: Alloy foot pegs mounted to light weight pegmount with stand removed
Exhaust: Exhaust 28id ProCircut copy

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