DSCF1119.avi ,1986 CR 125 R, A.T.A.C. System

1986 Honda CR 125 R , A.T.A.C.. System




I'm not a Guru, but Trial and error is a great way to teach
your self a good lesson. I wanted to post this weather I
Have this right or wrong, as long as I get some positive feed back
or a video to see a working Butterfly system on a 1986 CR 125 R, P.S. The clicking noise you Hear is A gear in the
Camera I'm using.

Category:

Autos & Vehicles

Tags:

• 1986 cr125 r
• Honda

[countryboylife91]

u did a great job on the valve, when installed mine i had the valve open towards the chamber and its working great, sorry for the late reply i have been really busy helping my friend rebuild his 1978 cr250 elinore ill have a video of that soon, but what u did to the valve is exactly what i did. If u have any problems with it let me no and i might be able to help.

[freck45]

@countryboylife91 I would like to see the Video of the 78 , I would Like to fix up this 125 and bump up to a 250 and

make my way to a 480.

Right on , I need a little time To get rid of the blue! Shock spring & Seat . Can't stand it .

I will Keep In touch . Later

[Lezbolocaust]

The honda ATAC valve is actually closed at high RPM, the valve is open at lower RPM to increase the volume of the expansion chamber and improve low end torque. I've got an 85 CR250 that I'm restoring at the moment and I have just replaced the ATAC butterfly valve.(they disintergate on older machines). Horns up to pre-1990 motocross racing!

[justinchaffin1013]

and i have a cr125r and just bought it today the top end is kinda in pieces

[justinchaffin1013]

is there like a big tube on the bottom of that?