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Predator does nothing but try to go
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Posted by: Sjorge300EX

My predator 90 (yeah the one that I just got most of the problems figured out) is having another problem. I have no bottom end, but once I start moving the thing flys. I have racing rollers and a stock rear clutch. Could that be it or should I look into my pilot jet?

Posted by: newnick

Does it just bog out or what, need more info.

Posted by: Sjorge300EX

...well i just called hetricks and rich told me to drill my clutch and then try it.... and back to what it sounds like, sounds perfectly normal. Just doesnt move.

Posted by: Pappy

i just performed that to ours tonight. worked like a champ.

Posted by: Sjorge300EX

does your do the same thing, has no power down low but then flys, trying to figure this out. I basicaly have what you have plus more in my quad but tell me whats yours does (did).
Steve

Posted by: Pappy

after adding the pipe and clutch mods, the bike was ripping. when we hit our woods track, it bogged severly on hills where he had to come to a stop before climbing them.

worked on jetting at first and it was fat. ended up with a 118 main needle on the 3rd clip. this helped a ton.

called rich today to verify a few things and he suggested the clutch mod. i drilled it out as per thier instructions and it did much better. actually i took it back apart and removed more and now it preforms like we want it.

Posted by: hetrick425ex

stall speed

check out Power Up Kit Instructions

See ya...

Posted by: Sjorge300EX

thanks for all the help... just to let you know...it runs like a totaly different quad now.

Posted by: Samson

Buy an aftermarket clutch instead of drilling the stocker out. After drilling mine, the aftermarket clutch is still half the weight.

Posted by: 400ex4ever

quote:
Originally posted by Samson
Buy an aftermarket clutch instead of drilling the stocker out. After drilling mine, the aftermarket clutch is still half the weight.

Exactly what I did...Without drill my stock the aftermarker clutch must of weighed a third of the stocker....

Posted by: hetrick425ex

Rich runs the stock rear clutches in our race bikes, including his sons, they must be doing something right

Keep in mind there are heavy mods done, the way i look at it, he could be running anything he wanted...
just my $.02
piece

Posted by: Samson

Like I said, I've used both. Just sharing my experiences. The aftermarket is better.

Posted by: Pappy

more then likely the aftermarket was lighter prompting someone to start drilling the stockers until aftermarket could be purchased.