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View Full Version : cr85 motor into a 300ex?



YFZRider718
05-28-2004, 01:11 PM
hey, i hav a old 300ex just sitting in the shed..... i was wondering if i could rig up a way to put in a cr85 motor in it? would it hav more power? like were would i mount the radiator? i can hav my uncle make motor mounts n stuff he welds.. i think we could be able to do it. any body no were i could get ahold of a motor?

roostin_dale
05-28-2004, 01:29 PM
do a search and there is a guy who put a kx80 engine in a 300ex, im sure he could help you

honda_racer_713
05-28-2004, 02:16 PM
yeah i did this with a cr80 engine and it has lots of power but im not sure if it has more. The radiator you can put in the front where part of the frame comes straight down. its not the easiest thing in the world to do though.

roostin_dale
05-28-2004, 05:05 PM
can you post some pics of that?

theTman
05-28-2004, 05:22 PM
Originally posted by honda_racer_713
yeah i did this with a cr80 engine and it has lots of power but im not sure if it has more. The radiator you can put in the front where part of the frame comes straight down. its not the easiest thing in the world to do though.



*cough* peice * cough*:devil:

honda_racer_713
05-29-2004, 10:33 AM
yeah sure heres some old pics of it with the kx engine in it
the kx engine was a peice so we took it out and put in a cr
ill try to get some more pics of the engine and more closeups of everything tomorrowhttp://www.imagestation.com/picture/sraid85/p32d2a0f0260c4233152effe5affc2646/fac601f0.jpghttp://www.imagestation.com/picture/sraid85/p2e11548c70ddede5ec095523460fdccc/fac601e9.jpg

YFZRider718
05-29-2004, 04:18 PM
holy crap.... how big is that back sprocket.... and when u mounted the motor did it bolt up to the stock motor mounts?

honda_racer_713
05-29-2004, 05:56 PM
alright we no longer have that back sprocket on because we have a different motor in it now but its a 50 tooth. and we had to make motor mounts but the motor mounts bolted onto the stock motor mounts........if that makes any sense at all:confused:

theTman
05-29-2004, 06:16 PM
wat kyle is trying to say is.... they made extendd peices of metal.. bolted them to the stock 300 motor mounts.. then the other end to the bike motor... so the mount is extended.... i think thats a better explination....:cool:

honda_racer_713
05-29-2004, 06:39 PM
thanx t-man i was a little retarded for a second there:blah:

theTman
05-29-2004, 06:46 PM
Originally posted by honda_racer_713
thanx t-man i was a little retarded for a second there:blah:

no kyle..... your always retarded... man u gotta get AIM so we can chat

honda_racer_713
05-29-2004, 06:47 PM
dude i downloaded it the other day and my mom got wicked mad and said it would screw the comp. up..........now thats retarded

theTman
05-29-2004, 06:49 PM
man thats stupid....it dont mess up my computer or any of my freinds:confused:

honda_racer_713
05-29-2004, 06:52 PM
it only messes u up travis just u

theTman
05-29-2004, 06:55 PM
oooo its on!!!!!! do you have yahoo instant messanger? i could download that...:cool:

honda_racer_713
05-29-2004, 06:56 PM
yah i might be able to get that if i do ill e-mail u

theTman
05-29-2004, 06:58 PM
okedoke

phaster1
06-11-2004, 11:14 AM
honda_racer_713,

I notice in your sig. it say's that your "TRX 90 soon to be sold" is it sold yet? If not how much you looking to get for it and where about's are you located in Ma.? PM me and Let me know.


TY