[nmcam12345]

just looked at the manual but i wish to know what is this solenoid thing it tells me how to remove it but it dont tell me what i dose coz i have problems with my power band and just woundering if it this is broke or not workin can it be my problem to the powerband ?????? to ALL YOU RM SUZUKI 250 M8 .S pls help me

 

[EastCoastMotion]

The exhaust breather solenoid controls the pressure inside your exhaust chamber. depending on how hard your riding it, it makes sure there is the proper pressure in you exhaust chamber so that you low-mid range power is there on demand......this might be the reason why your power band is non-existent...im not exactly sure how to check if the solenoid is functioning properly though :sad: sorry bout that

 

[nmcam12345]

low /mid range power

well i just taken my head and block off to clean my exhaust valve its work better then before but one small thing there a left and a right dial on each side its sounds funny but what can thay doo ? or how to set them correct as im still tryin to get my bike running to the max's it pulls good but if i over rev it theres nothin it should scream in to powerband if im right too say

 

[Dave2122]

The adjuster knobs put more or less tension on the powervalve itself to slow down or speed up the responce. I do not think your problem lies in that area.

I think you should check ......

1) Spark plug...Put a new one in
2)Clean your airfilter and use less oil in the filter.
3) Make sure your plug cap is not full of moisture.

Just a few simple things to check that can cause your problem.

 

[Dave2122]

Also whenb was the last time you had a new piston and rings?

 

[nmcam12345]

Also whenb was the last time you had a new piston and rings?

when i taken my head plus block apart there was no marks on the piston and the rings looks new i put a new plug in and a new air filter too but it was like its still holdin back ..its pulls but dont seem to go in too powerband mode . :roll: i turnd the dial witch tennsons the spring soo that the slide in the valve chamber 1/2 a turn but i realy dont know if my rm 250 01mod carb has been jetted it mite have a stock parts still i use a full fmf system will this bee my problem dave ! :idea:

 

[Dave2122]

So now we get to the problem.....

If you have taken the stock pipe off and put a pipe and silencer on it you will need to rejet your bike. Usually you will need to lean out the bike as a race pipe will cause the bike to run rich hence your problem with the bike not wanting to pull revs. I suggest you purchase a manual from Suzuki to help you with the jetting and general maintenence. Get one from www.repairmanual.net

 

[nmcam12345]

dave i have a manual for my bike but in not a good mech? i havent taken stock pipe off its had a fmf full system on the bike when i got it but ... im prity sure i need to jett the carb ??? coz when i wind the throtle it move fast but not a screamer if you can see what i try to say !!! its seems to have good start then good midd but the top then seems to goo blurrrrrr or dont whizzz

 

[Dave2122]

OK I understand what you mean.....The same applies in that your carbs are most likely not set for the pipe you are using. You may have it jetted for the FMF pipe that was on it and now that it has the stock pipe the jetting could be wrong. It is hard to diagnose these things by computer ........

 

[nmcam12345]

ok dave i understand but im not sure what to jett what bits doo i need to change ... i live in the uk england northwest ..... if you can tell me what i need to jett ill try to get them from the net or my local motox shop .....

 

[Dave2122]

Look into the carb section of the manual, it will give a detailed description of what each piece is and what it does. Then you have diagrams that will give you an idea of what the numbers of the jets mean as far as air/fuel mixture. If you have a hard time understanding you will need to find someone that knows what to do as you can make a wrong move and sieze the motor. Do not take it to a dealer unless you know the guy working on it is a top sod as you may get someone that knows fekall about it. Try talking to the local racers where you ride and you will find they can help you find some help I am sure.

 

[nmcam12345]

thnks dave ill keep you in line what happens m8 soo long bud time out to read manual to understand my carb lol

 

[nmcam12345]

dave i just read my manual and for carb spec
1 main jet number yrs. 98/01 number 162.
2 jet needle and clip pos yrs. 00/01 number .n3wk (3rd) clip...
3 slow jet number. yrs. 00/01 number.48
4 power jet number yrs 98/02 ..number 45 .
....THATS WHAT ITS GOT BY THE MANUAL ...
i have a race system on my bike yer so this is what is in my rm 250 01 mod 1 main jet number ..165.
2 jet needle and clip pos number .(2nd) clip...i have it on but the number i carnt see it soo good ????
3 slow jet number. .number.50 ..
4 power jet number ..number 55
THIS IS WHAT I HAVE IN MY BIKE DAVE ........ is a pilot jet same as a slow jet coz i was lookin at a fmf carb setup and i see all but one thing i dont see is a pilot jet ?????

 

[Dave2122]

Yes Slow Jet is the Pilot Jet........

Now does your bike have the FMF pipe or the stock pipe on it now???? If it is the stock exhaust on it now then......In my opinion your bike is flat on top end due to being way to rich(to much fuel mix)

With that said.... If your bike has the FMF system, what does FMF recommend as far as jetting with their pipe and silencer?

Also if you have other mods, such as Boyesen reeds etc....That will affect the jetting.

 

[nmcam12345]

Yes Slow Jet is the Pilot Jet........

Now does your bike have the FMF pipe or the stock pipe on it now???? If it is the stock exhaust on it now then......In my opinion your bike is flat on top end due to being way to rich(to much fuel mix)

With that said.... If your bike has the FMF system, what does FMF recommend as far as jetting with their pipe and silencer?

Also if you have other mods, such as Boyesen reeds etc....That will affect the jetting.

hi dave summer time in uk england !! heed help agian if u dont mind lol just got a V FORCE REED BLOCK and i jetted my bike to the fmf spec but since i have this reed bolck it s kinda blurrrrr runs crap