Crf88 trouble

[jack_rides_stp]

Hey,

This is just a question about my carb,

When my bike is warmed up and I snap the throtel quickly it boges out, I went down a size in main jet and what I wanna know is this a jet problem,

Or is it normal for all to do it, I went down to an 85 main from a 89

Thanks

 

[50freak]

Should go up another size to see if it makes a difference? Sounds like the main is to small.

 

[jack_rides_stp]

Too small

So I'm going the wrong way LOL

Ok I'll try up from 89

Thanks

 

[50freak]

Yeah go up not down if she bogs out all the time.

How is it going any way??

 

[jack_rides_stp]

Yeah that big bore made it a beast,

Just wanna get a few bits and peices but I'll get pics up soon

 

[unit_mx]

YouTube - BBR Motorsports 18mm Carb Kit

He explains when to swap out your jets in the end.


chuck a rev box on it too , I slapped my stocker on my 88 mod and the throttle response with the choke on was so much sloppier with that than my kitaco box , its was very distinct...

 

[jack_rides_stp]

I put the clip on the neddel down 1 and turned the choke on full and the throtle was awsome , but with the choke off it was the same ,

Is it ok to drop the clip all the way ?

 

[motoXXX]

your getting to much air,try move the needle clip right to the bottom,if that dont fix it put a bigger main jet in it,also try richen it up abit with the air fuel screw...

but your deff running to lean mate,dont ride it much when its lean,youl blow it to kingdom come

 

[jack_rides_stp]

What way do I turn the screw to make ritchr, in or out

 

[motoXXX]

clockwise makes it richer and anti clockwise makes it leaner

did you try changeing anything yet???

 

[jack_rides_stp]

Yeah lowerd the clip , it's better but I think the screw need adjusting a bit

 

[motoXXX]

well tighten the screw like 1/8th at a time while the bikes runnig and see if it gets better if it doesnt put a bigger jett in it and put the clip back in the middle and then try it again

 

[jack_rides_stp]

ok dude ill do that when i put a kick start on, my bolt snapped dunno how?

any way i also wanna go the sprokets but dunno what sizes,

want it tourqe but need some top end, will a 14 fornt be good or 15 maybe ?

 

[jack_rides_stp]

well I just got a new kick start and 15 tooth , hope it's good

 

[unit_mx]

14 up the front would of been the best but the 15 wont be too bad

 

[jack_rides_stp]

14 is the stock ain't it, I did a search and found that out

 

[fd1]

Yep. 14 is stock...you'll find that 14 front is good on a limited. with the 15 you will just be using 2nd a lot more.

 

[jack_rides_stp]

yeah the 14 don't have enough top end for me

But each to there own

 

[jack_rides_stp]

Ok I have tuned it well but when I get the 15 front will it need to be retuned or jetted ?

 

[50freak]

^^^ Nope