INFO & BERITA


DBS "miniGP" TRACK DAY
22 JUN 2014










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MARI MENGIRA CC MOTOSIKAL ANDA



CONTOH PENGIRAAN KE ATAS YAMAHA FZ150i

Pertama:
tukarkan unit mm kepada cm
Bore: 57mm > 5.7cm
stroke: 58.7mm > 5.87cm

Kedua:
dapatkan keluasan bore
(bore x bore x 3.142/4 = mm^2)
=5.7 x 5.7 x 3.142/4 =25.5 cm^2

Ketiga:
isipadu 1 silinder
(keluasan bore x stroke = cc)
=25.5 x 5.87 = 149.69cc
(cc enjin sebenar fz)
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Injektor Stndad 
 (cadangan/suggestion = 57 - 62mm)
- Speks motor standad
- 57mm + cam std+ head std + ekzos free flow
- 57mm + cam std + head (port n polish) + ekzos free flow
- 57mm + hicam + head std + ekzos free flow
- 57mm + hicam + head (port n polish) + ekzos free flow
- 62mm + cam std + head std + Ekzos std
- 62mm + hicam +  head std + ekzos std
- 62mm + hicam + head std + ekzos free flow

Max it can support
- 62m + hicam + head (port n polish) + ekzos std = causing lean fuel mixture

Injektor UMA 140cc
 (cadangan/suggestion = 62 - 63.5mm)
- Speks Motor Standad = rich mixture (perfomance drop@reduce fuel consumption)
- 62mm + cam std + head std + ekzos free flow
- 62mm + hicam +  head std + ekzos std
- 62mm + hicam + head std + ekzos free flow
- 62mm + hicam + head (port n polish) + ekzos std
- 62mm + hicam + head (port n polish) + ekzos free flow
- 62mm + hicam + head (19/22) + ekzos stndad
- 62mm + hicam + head (19/22) + ekzos free flow
- 62mm + hicam + head (19/22 port n polish) + ekzos stndad

Max it can support
- 62@63mm + hicam + head (19/22 port n polish) + ekzos free flow
- 62@63mm + UMA SUPERHEAD (20/23) + Ekzos stndad

Injektor UMA 160cc 
(cadangan/Suggestion = 63.5> mm)
- 62@63mm + hicam + head std + ekzos free flow = rich mixture
- 62@63mm + hicam + head (port n polish) + ekzos std = rich mixture (berkemungkinan)
- 62@63mm + hicam + head (port n polish) + ekzos free flow
- 62@63mm + hicam + head (19/22) + ekzos stndad = rich mixture
- 62@63mm + hicam + head (19/22) + ekzos free flow
- 62@63mm + hicam + head (19/22 port n polish) + ekzos stndad
- 62@63mm + hicam + head (19/22 port n polish) + ekzos free flow
- 62@63mm + UMA SUPERHEAD (20/23) + Ekzos stndad
- 62@63mm + UMA SUPERHEAD (20/23) + Ekzos free flow

Max it can support
- 63@63.5mm + UMA SUPERHEAD (23/25) + Ekzos stndad
- 63@63.5mm + UMA SUPERHEAD (23/25) + Ekzos free flow

cadangan adalah berdasarkan pglaman ak berulang kali naik dyno..lain motor, lain ragam..selamat mencuba, pelaburan juga biar cantik .. ;)

*sebarang pertambahan atau pembetulan maklumat adalah digalakkan :)

KREDIT PADA RADZIF OMAR, ADMIN FZ CREW