YX 172cc engine with 4 valves head

[yaomingboy]

@pitsmhungary

[NZXTInerTia]

Sounds great!

[warples1]

were can i get replacement spark plugs for the 4-valve.

[mAdAsZaC]

@warples1 they should be one of the standard ones, just take your old one down to your shop and they will have a replacement.

[Mr261194]

u should put a inner rotor kit.that thing would have so much top speed but slow start off.u put a inner rotor kit ur bike would fly form top to bottom

[pitbikers19]

Nagyon jó Csabi :)

[ianboy1979]

its not 4 valves.. maybe you meant 4 stroke right?

[ibizagti8v]

@ianboy1979 yes it is you fool! look at the tappet covers! plus 4 valve stamped in the head!!!!!!!!!!!!

[ianboy1979]

@ibizagti8v oh really?? maybe its new.. where can i buy 1? that's a lot faster engine..i need to put it on my bike..thanks dude.. =)

[65burke]

@ianboy1979 it is a 4 valve head. i have one for my yx 160 well now its a 172

[pitsmhungary]

This is a Stage6 RPM/Temperature/Time gauge. You can buy it at any bikeshop.

[HONDASBEST]

where did u get the rpm gauge?

[MrYuryus]

Nice tires! ))) Cool head!

[PitsterPits]

sweet