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Jvt 57mm, 59mm & 62mm Lc Kit For Sniper Chrome Bore W/ Forged Piston

audioguy

Veteran
for stock valves, long drives, stock carb (rejet) high revs: 59mm for me. much more safer than 62mm =)
why do say that 59 is safer for stock valve sir, what if we pretend that you already had a big-valve what you choose between 59 and 62..?
 

Jessie Y

Super Veteran
Set up:
62mm bore[steel bore]
stock head/valve
stock carb/jet
BRT RCDi
Kalkal orig. pipe
long drive = 54 km/liter @ 80 to 100 kph [ECO Mode]
city drive 40 km/liter [hataw mode]
POWER: GOOD
62mm bore [steel bore]
stoc
27mm keihin Japan carb main jet 125_pilot jet 40
BRT RCDi
kalkal pipe
long drive = 38 km/liter [ECO Mode]
city drive = 32 to 35 km/liter [hataw mode]
POWER: Better
62mm bore [steel bore]
28mm keihin Taiwan carb main jet 120_pilot jet 40
BRT RCDi
YY Pang [long]
Cylinder head - BIG VALVE 20/22 without PnP
long drive = 35 km/liter [ECO Mode]
city drive = 28 km/liter [hataw mode]
POWER: Best
I'm not a PRO, just to give you an idea on this two set.

 

Jessie Y

Super Veteran
naka 62 kaba papz?
Using 62mm Steel Bore for 1 year. And Big valve head on 62mm for 4 months, with Faito low advance cams, BRT, MTRT valve spring, CRG clucth spring, front sprocket 15, rear sproket 39 & 28mm keihin Taiwan Carb [main jet 125, pilot 40] ...135kph (yan lang ang kaya ng dibdib ko)
Now back to Vix 57 and stock head.
 

audioguy

Veteran
Using 62mm Steel Bore for 1 year. And Big valve head on 62mm for 4 months, with Faito low advance cams, BRT, MTRT valve spring, CRG clucth spring, front sprocket 15, rear sproket 39 & 28mm keihin Taiwan Carb [main jet 125, pilot 40] ...135kph (yan lang ang kaya ng dibdib ko)
Now back to Vix 57 and stock head.
nice mods..
 

audioguy

Veteran
nice mods..
Using 62mm Steel Bore for 1 year. And Big valve head on 62mm for 4 months, with Faito low advance cams, BRT, MTRT valve spring, CRG clucth spring, front sprocket 15, rear sproket 39 & 28mm keihin Taiwan Carb [main jet 125, pilot 40] ...135kph (yan lang ang kaya ng dibdib ko)
Now back to Vix 57 and stock head.
What made you choose, to down grade your engine sir..? am using 59 JVT right now but still, want experience 62mm.. any inputs, or advice:)
 

Jessie Y

Super Veteran
What made you choose, to down grade your engine sir..? am using 59 JVT right now but still, want experience 62mm.. any inputs, or advice:)
I try a cheap brand (XRAY) for Php 2,000 , I use it for 12 month, partner with big valve. Instead of changing the piston, I'll go for used Vixion 57 and stock head. My big valve head is now on stand by for my future project.
 
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