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View Full Version : relibilty of the 250ex big bore kit?



atvfrk10
04-25-2005, 06:32 PM
How realible is the powroll 250ex big bore kit?

atvfrk10
04-26-2005, 01:49 PM
anyone?

300ex13
04-26-2005, 03:08 PM
waste of money....not worth it. get a bigger quad and then do a big bore

atvfrk10
04-26-2005, 03:58 PM
I dont wanna hear I THINK..., ITS A WAST OF MONEY, or SAVE FOR A BIGGER QUAD. I just wanna know how the relibilty of that kit is

atvfrk10
04-27-2005, 02:03 PM
still anyone?

FasstMidnightZ
04-30-2005, 02:52 PM
ya, if your gonna waste your money on a bore kit that cost that much, might as well go to a 400

2strokerider
06-09-2005, 05:23 PM
how big of a bore is it im just curious

Quiksilver01
06-09-2005, 08:41 PM
20ccs it makes it a true 250

250xTrailRider
06-10-2005, 09:21 AM
Originally posted by atvfrk10
How realible is the powroll 250ex big bore kit?

I would say it is as reliable as to how well it is built. If you build it to thier specs and follow thier recomendations and you do the proper maintaince it would be good. I don't think they would sell a kit that makes the motor a hand granade. But if you just slap the stuff together and don't follow thier recommendations it would probably be like shooting yourself in the foot. I have not used the powroll kit and this is just my .02$ worth.

2strokerider
06-11-2005, 04:49 PM
will it make it beat stock or piped 300s in a drag?

heavyd119
06-11-2005, 08:43 PM
I've got that powroll big bore kit. I've had it for a while now and haven't had a single problem. It cost me $400 after the machine shop bill. $400 won't buy you a 400ex. As long as you make sure to put the engine together right, torque bolts to the right settings, adjust your valves, retorque your head bolts after you break in the engine and run good oil(not the cheap stuff) in it you should be fine.