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Backfire And Unstable Idle...

xclickclickx

xclickclickx

Veteran
When i Had stock bore,

I used a open pipe
Brt Dual band CDI
Pod Filter
and i changed my main jet to a 120
and i just blocked my AIS system but now I've made the plate shown by Hkholic
 
xclickclickx

xclickclickx

Veteran
Also having no air filter will make your bike perform better if it was jetted properly,
BUT your piston is probably pretty worn by now! it will have scratches all over it my pod filter was a K&N air filter and i oiled it i see most people dont!!!:eek:
When i removed my stock piston only 1900km's and i had changed the airfilter about 1000kms it still had sucked a very tiny bit of dirt or dust that creates scratches so i changed to UNI air filter much better...
....I would hate to imagine the damage that will be slowly scratching your piston every stroke and possibly your cylinder! the cylinders are reasonably strong but without a airfilter more chance of failure
highly suggest you put some sort of airfilter on your carb
 
xclickclickx

xclickclickx

Veteran
Tammy Oldrie Agasin said:
xclickclickx bro aside from doing the same on what you've done in your bike, can you tell me what are the other ways to shutdown my bike's AIS? Thanks
Click to expand...
The easy way is to do this http://www.yamahat135.com/threads/how-to-ais-plugging-or-removal-for-better-performance.4638/
But using a shoe is pretty average...
1) the bigger piper:
what i did was cut the hose and on the bottom of your old Air Box you should see the drain and it should have a clear cap on it with a little hose clip remove that and push it in the pipe and use the hose clip to hold it in...
2) the pipe on the carb manifold:
cut the pipe, find a ball bearing that is really tight fit to get inside the pipe ....ounce it is inside put the blocked pipe back on the manifold...

It's much easier if i had photos but i only have photos of my plate.
 
suiluj

suiluj

Super Veteran
same problem here. back fire on my LEOVINCE GP COBRA. i set my A/F screw from 1.5 turns, 2, 2.5 and 3. in 3 turns. i have minimal back fire occurence. when i set it to 1.5 turns. theres always backfire. RCDI brt hyperbrand. CMS valve Spring. Kahawata black Rcam, Faito Clutch spring. what is the real problem of my sniper mx? anyone got idea? TIA.
 
john_carlo

john_carlo

Super Veteran
suiluj said:
same problem here. back fire on my LEOVINCE GP COBRA. i set my A/F screw from 1.5 turns, 2, 2.5 and 3. in 3 turns. i have minimal back fire occurence. when i set it to 1.5 turns. theres always backfire. RCDI brt hyperbrand. CMS valve Spring. Kahawata black Rcam, Faito Clutch spring. what is the real problem of my sniper mx? anyone got idea? TIA.
Click to expand...
if 3 turns and the backfire is minimal then you need to change the pilot jet..
 
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