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View Full Version : 08 Yfz 450


Gregjy
10-15-2010, 01:32 PM
I want to know what are the basic mods to do to this thing? It has GYTR full exhaust, Hot Cams, and air box lid removed. Where do I go from here. These mods were done when I got it. Just looking to improve my Dune power as much as possible with bolt ons right now!!
quadrider2112
10-16-2010, 04:32 PM
zip tie mod, fci intake with foam filter and rev box will get her goin If you want to get the good out of cams you gotta make it breath. Port work makes cams work right.
Gregjy
10-16-2010, 09:09 PM
What the H3LL is the zip tie mod?? Heard talk of it but DON'T know what it is!!!!
quadrider2112
10-17-2010, 07:15 AM
You zip tie the throttle lever to the lever that works the accelerater pump. Stock it has a lil band that stretches when you stab the throttle.. slowing the accel pump thus starving the engine for fuel initially. Causing the stumble when you stab it. Your carb may already have it done its one of the first mod people do. pilot and leak jet also control initial fuel squirt so if you have aftermarket accel pump cover (quik shot or R&D) your prolly good to go.

Youtube has good video.
89trx250r
10-21-2010, 11:58 PM
you can also do the cam mod which is fun and free and makes your mid-top end stronger its also very easy and theres a video on youtube
Gregjy
10-22-2010, 10:47 AM
Originally posted by 89trx250r
you can also do the cam mod which is fun and free and makes your mid-top end stronger its also very easy and theres a video on youtube

From what I have been told I can not do the cam mod with Hot Cams!?! What I was told anyway!
raykspradlin
10-22-2010, 10:51 AM
the cam mod is not needed or necessary if you have aftermarket cams, such as Hot Cam. The advanced timing option is built into your aftermarket cams. Heres the zip-tie mod video http://www.youtube.com/watch?v=tzsBrNhX52g
heres the cam mod part 1 http://www.youtube.com/watch?v=5Nm-IF73Bs8
heres the cam mod part 2 http://www.youtube.com/watch?v=5Nm-IF73Bs8