got a mod idea

7.3 sled head · Mar 4, 2010

hey Iv got the itch to put a 900 arctic cat twin into a xp chassis and was wondering if anybody has done it yet, and any help or ideas would be appreciated!! also looking for a cheap ish chassis that just needs a motor to run thanks, Cameron

xpdockin · Mar 8, 2010

7.3 sled head said:
hey Iv got the itch to put a 900 arctic cat twin into a xp chassis and was wondering if anybody has done it yet, and any help or ideas would be appreciated!! also looking for a cheap ish chassis that just needs a motor to run thanks, Cameron

I think it would be cooler to drop the 900 into a 670 chassis. :face-icon-small-ton

Insaneboltrounder/sjohns · Mar 8, 2010

What would you gain over a 860 doo bb?

xpdockin · Mar 8, 2010

Insaneboltrounder/sjohns said:
What would you gain over a 860 doo bb?

:amen: I agree, also for all the trouble your going to have to deal with getting that motor to mount up with the proper clutch alignment, and proper clutching. could be tricky. I would do the 860 BB and get the rooster built clutching set up. . . . It wouldn't be very hard to get the 900 in there and running, but unless you really know what your doing, its probably going to run worse than a stock Xp motor or BB would. Considering your looking for the chassis to drop that motor into im assuming you already have the motor, I guess this would be why your not looking at an 860 kit. If you could get it clutched, it could be cool. you would have to use the cat primary and doo secondary, getting them to corrospond properly could be a guessing game.

maxwellzx · Mar 8, 2010

are these motors case reed? if so you would have to mount the motor pertty high...

im not familiar with cat motors just thought i read this somewhere

xpdockin · Mar 8, 2010

yes, there case reed. also how are you going to fit the pipe and can in there??

trinitypowder · Mar 9, 2010

The Cat 900 was actually an 866cc, so your performance would be no better than stock, and not near as could as an 860bb.

Red-eye · Mar 9, 2010

the 900 with twin pipes would compare to a BB 860 doo and may be more but the mounting and pipes would be difficult. bullet proof engine though!

i'llDooit · Mar 9, 2010

im gona put a harley twin in a xp, cant wait. cant wait. sounds like a really cool project. any thoughts or ideas for help would be great.??? :face-icon-small-sho ha ha. sell your cat motor and another really cool project and doo an 860 ya doyle.

Red-eye · Mar 9, 2010

your a doyle if you mock others. don't rain on anyones ideas. 900 cat engines rock. switch cylinders around and put the pipes out the back and kick ***.

1100 · Mar 9, 2010

Do none of you realize that cat 900 bottom end can be bigbored to an 1150 and will really make them 860 look a little under powered.

Idcatman1 · Oct 23, 2011

Red-eye said:
your a doyle if you mock others. don't rain on anyones ideas. 900 cat engines rock. switch cylinders around and put the pipes out the back and kick ***.

Sorry that won't work, coolant passages and transfer port problems.

scratley · Oct 23, 2011

Put it in a rev. Lotta guys have done that..... Someone even makes a plate for it

mil81 · Oct 23, 2011

I've ridden with few cat 900's and none of them could keep the pistons/cranks/clutches/jack shaft bearings together to make a season. And none of them could keep up to my REV with a 144. They are strong pulling motors and I'm sure setup their 151's would out climb me, but end of the day the lack of reliability put a very sour taste in my mouth

Gunner66 · Oct 24, 2011

My dad rode his 900 cat for 4-5 seasons before the top end finally went. He's now running a D&D 1010 with twin pipes and it makes my xp and alot of M1000 look really slow when climbing. Thats why I think this would be a great idea to put a 1010 or 1150 in a xp chasis. So I'd be very interested to see if you get everything worked out and maybe see some build pics in the future.

Arctic Thunder · Oct 25, 2011

mil81 said:
I've ridden with few cat 900's and none of them could keep the pistons/cranks/clutches/jack shaft bearings together to make a season. And none of them could keep up to my REV with a 144. They are strong pulling motors and I'm sure setup their 151's would out climb me, but end of the day the lack of reliability put a very sour taste in my mouth

Really? No Really!

The 900 triples were junk. The 900 twins are pretty much bullet proof.

Clutchs kind of suck, Ill give ya that. The 900 shakes a bunch and is hard on clutchs. But again the motor itself is tough.

Thunder

av8er · Oct 25, 2011

contact snowmanx he used to run a big bore union bay in a rev chassis

sled ripped,

HANDSOME · Oct 25, 2011

Arctic Thunder said:
Really? No Really!

The 900 triples were junk. The 900 twins are pretty much bullet proof.

Clutchs kind of suck, Ill give ya that. The 900 shakes a bunch and is hard on clutchs. But again the motor itself is tough.

Thunder

I thought he was talking about the doo pistons and cranks !lol

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