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Yms v8 pipe ok for 125cc stroker??

Posted: Tue Feb 15, 2011 8:07 pm
by Pancake808
28mm v8 yms ok for dio 125cc?? I dont want louad pipe, for every day use.

Re: Yms v8 pipe ok for 125cc stroker??

Posted: Tue Feb 15, 2011 8:30 pm
by Trafficjamz
That pipe is good for 70cc-90cc

Re: Yms v8 pipe ok for 125cc stroker??

Posted: Tue Feb 15, 2011 8:43 pm
by Bear45-70

Re: Yms v8 pipe ok for 125cc stroker??

Posted: Tue Feb 15, 2011 9:11 pm
by Pancake808
Bear45-70 wrote:Here, try this one.

http://cgi.ebay.com/ebaymotors/ws/eBayI ... 1012wt_939

THAT'S THE ONE I HAVE????? SOME SAY ITS FOR 90CC MAX??? OTHERS SAY 125CC OK???

Re: Yms v8 pipe ok for 125cc stroker??

Posted: Tue Feb 15, 2011 9:17 pm
by Trafficjamz
that pipe is too small foe 125cc.......I don't know why that ebay ad says 125cc.

the exhaust flange on a 55mm bore is bigger than the opening of that pipe.

Re: Yms v8 pipe ok for 125cc stroker??

Posted: Tue Feb 15, 2011 9:26 pm
by Trafficjamz

Re: Yms v8 pipe ok for 125cc stroker??

Posted: Tue Feb 15, 2011 10:59 pm
by Pancake808
i measured it 30mm -31mm??? whats the 55mm bore port size???

Re: Yms v8 pipe ok for 125cc stroker??

Posted: Tue Feb 15, 2011 11:03 pm
by veedubh20
if you dont like loud,

go back 72cc.


you will need big stroker pipe!

because v8 28mm is to small!!

you will need to find pipe inlet match big stroker dio 125cc.

Re: Yms v8 pipe ok for 125cc stroker??

Posted: Tue Feb 15, 2011 11:25 pm
by eliteguy50
The 28mm is too small for sure. I've seen that pipe in 28, 30 and 32mm. The 32 is said to be good for a full stroker. You'll just have to message the seller on ebay to ask the diameter.

Re: Yms v8 pipe ok for 125cc stroker??

Posted: Wed Feb 16, 2011 1:11 am
by sum-azn-kid
PG copy sectionl J and the oko/ kuka air box taht look like anrnada one pretty quite setup. but idk if the PG copy get rattle like PG long

Re: Yms v8 pipe ok for 125cc stroker??

Posted: Wed Feb 16, 2011 4:09 pm
by Pancake808
its a 32.04 opening :smile:

called the shop i got it from, said it wont give as much power as the big stroker pipes but will be quieter, as where i ride got choke cops that love to give tickets for random s***."i once got a ticket for no license when i showed the cop it wasnt expired and he said he had already written it so take it to the judge" :*: :bs:

Re: Yms v8 pipe ok for 125cc stroker??

Posted: Wed Feb 16, 2011 5:44 pm
by bakaracer
If the opening is 32mm then that should work ok. But yes you won't get the full power like running a full stroker pipe like a scorpion or pg big stroker.just use 1 base gasket but use a thick head gasket or 2 head gaskets that way the port timing will be more suited to the low reving pipe.