Question about 2004 Yamaha V Star Classic

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Bogging issues and clutch adjustment on 1980 RM 125

I am trying to get an old bike running for my son. It is a 1980 RM 125. I have put in a new piston and wrist pins/rings and now it has a bog when you try to excellerate and the clutch needs adjusting. ANY Idea's? Please explian how to adjust the clutch at both locations and what are the factory adjustments(turns on the carb screws) carb (Minkuno)

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As far as your clutch adjustment ,I can't help you but the fact that the bike is older you might want to try removing the exhaust pipe at the baffel end and see if there is a difference in power ,if there is clean out your baffel and your good to go. hope this helps
jerry

Posted on Apr 13, 2009

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I have a 2000 Suzuki rm 125, when in gear with the clutch pulled in the bike is always in gear and I can't stop with out stalling i have tried all adjustments on the cable. Any advice


Are you using the correct 10W40W wet clutch motorcycle oil? It has special friction modifiers in it for this clutch drag issue.

Nov 19, 2012 | 2003 Suzuki RM 125

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My 2003 Suzuki rm 125 kick starts with brand new spark plug then eventually bogs down and dies, does the same when push started, does it need new piston and rings?


HI,,sounds like your plug is fouling,,what pre-mix ratio are you running? and has the carb been played with? run 32-1 premix and remove and clean the carb.

piston and rings are not to blame for this behaviour.

Mar 23, 2011 | 2003 Suzuki RM 125

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2000 suzuki rm 80 new piston rings top end kit bike wont run rite starts sometimes but only runs for a minuite or so then bogs out and wont start again .


What this sounds like is a carb issue. There are screws that are located on the carb that control the air and fuel mixture, if you are getting to much air then it will crank and run only for a minute or two then shut off. Have you tried adjusting it? It can take some time to get it right as each bike engine is going to be slightly different and all adjustments are going to be bike/engine specific. I would recommend adjusting the air and fuel mixture, that will probably work for ya. Hope that this helped.

Jan 21, 2011 | 2003 Suzuki RM 125

3 Answers

Suzuki gp 125 1981 dont want to start


Make sure you have ignition spark and just wer yhe tip of the plug with gas. Puttting gas in the cylinder is too rich and will add to you problem. Good Luck

May 28, 2010 | 2003 Suzuki RM 125

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My aprilia rs 125 is ok out of gear but when u put it in gear it dies and have 2 rev the crap out of it


Mate I had this problem, it was the compression, had to get new piston and rings. good luck.

May 10, 2010 | 2005 Aprilia RS 125

1 Answer

91 SUZUKI RM 125 CLUTCH PROBLEM


First, try the cable adjustment at the lever end, if no more movement re-adjust inwards, then adjust at the clutch end.
If no joy, then it is either the lifter mechanism or the clutch its self.
Ride Safe
Bike-Doc

Please mark this as useful (if it has been!!)

Aug 03, 2009 | 2003 Suzuki RM 125

2 Answers

Bogging


Try fitting a new spark plug.

Jul 10, 2009 | 2002 KTM SX 125

1 Answer

I have a suzuki rm 125 1994 model when i pull the clutch lever in to put it in gear the clutch doesnt work t jst crunches into gear


Adjust the clutch cable to allow about 1/4" free play at the end of the clutch handle. Don't put the bike in gear until the rpms are near idle speed. The clutch is working fine if the bike does not lurch forward when going into gear at idle speed. Dirty, gritty oil in the gearbox can make the clutch grab. Consider changing oil if grabbing is the problem. The "crunch" you hear is the slider gear engaging into the driven gear. The higher the engine speed when being put into gear the louder the crunch. The slider gear engaging "dogs" can break. Crunching into gear is hard on the gears.

Post a comment to let me know how you come out on this.

Jun 04, 2009 | 2003 Suzuki RM 125

2 Answers

2003 Suzuki RM 125 with no power band.


Scatter gun approach > thoughts to check out > > >
Clean and dry the air filter? Go back to a stock main jet, at least to check things out? Are "O" ring seals on the main jet going bad?Partial internal collapse in exhaust (remove exhaust pipe & do a quick run down the alley), Install a new stock NGK spark plug, Be sure battery connections are clean and tight, Be sure intake manifold and carb are good and tight.

Hope this helps!

Apr 03, 2009 | 2003 Suzuki RM 125

1 Answer

I have a93 rm 250 clutch not engaging


I am going to stick my neck out here and hope I can help.
The springs are not at all likely to be the problem. Any chance the cable is hanging up and not releasing fully? Disconnect the cable at the gearbox, put the bike in gear with the motor not running and see if the motor puts a major drag on pushing the bike. If pushing the bike makes the wheel lock up or the engine turn over it tends to say the cable is bad.

It could be you were given the wrong hub. Compare the old hub to the new one. Do the various measurements match? Contact the dealers parts department and ask how many fiber and how many steel clutch plates are in your clutch. Did your 9 year old son play with a funny looking frisbie and leave it in the back yard?
Ask what plate goes into the clutch hub first > Fiber or steel? Did you install the plates that way? Did the outer clutch cap go on properly and rest against the outer plate? Do any of the fiber disks have a gap wider than the other disks?

Food for thought. I hope this helps.
Please rate this answer. Thanks!

Mar 30, 2009 | 2003 Suzuki RM 250

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