2003 Yamaha YZ 125 Logo

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Anonymous Posted on Jun 04, 2012

My 03 yz 125 wont shift into 1st gear, when i hold the clutch in and shift down into first gear it will just stay in neutral

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Anonymous

  • 137 Answers
  • Posted on Jan 10, 2009

SOURCE: '95 Yamaha YZ 125 clutch - stays in gear when clutch is pulled in

hey dude,, just thought id come in and give u some tips or 3,, i take it when u pull clutch lever in, and try and change gear it feels like your foot will snap b4 it goes in gear,, if that makes sense,, firstly mate,is to make sure the clutch cable slides freely ,easest way is to take cable off and just grab 1 end and make sure it isnt sticky,, if so dip one end of the cable in a bit of old oil ,,whilst holdin the other end ,pull and push the cable inner, this will **** up a bit of lubricant inside the cable ,, keep doin this each end till free to move, ,,next step if the cables ok,,, and may need help if u dont no,drain the oil out,,and as u r sat on the bike is to remove the clutch casing on the right hand side of the moter,where the bottom end of the cable goes,remove the casing being carefull not damage the gasket,,then u will see clutch plates and friction plates housed,, undo the 7 or 8 spring loaded bolts carefully take the first fibre plate out then metal friction plate then another fibre plate and so on,, wen u take the 1st plate out place that on the bench ,stacking each plate on top of one another, cause they have to go back in as they came out,,wen out,,u need a piece of wet n dry paper ,or fine emery,,and just wipe round both sides of the fibre plates taking the shine off them,as u put them back in,, put casing back on with a decent gasket,, oil back in cable on, make sure cable has no free play on the lever so wen u r about to pull lever in it bite straight away,, start her up, warm it up and try it,,any probs still il eat my shoe,, take care m8

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Anonymous

  • 112 Answers
  • Posted on Jan 19, 2009

SOURCE: 01 yz 250 cant shift out of gear

You need the selector in the gearbox renewing. Sounds like it`s bent. Happened on my yz490 years ago

tombones

  • 3567 Answers
  • Posted on Mar 11, 2009

SOURCE: 03 YZ 250 won't shift into 3rd

You have a bent shift fork. The repair means removing the engine from the frame then tearing it down into about 75 parts which will then allow the bent shift fork to be replaced. This is not a job for the amature mechanic. Wish I were there with you to guide the repair.

tombones

  • 3567 Answers
  • Posted on Apr 19, 2009

SOURCE: my banshee wont shift past 2 gear

You have a bent shift fork. The repair means taking the engine out of the frame then removing the top end, removing the flywheel and electrics, removing the clutch , shift mechanism and kick starter and a few other parts. THEN you are ready to split the gearbox to remove the gears and crankshaft and then the shift drum and bent shift fork. Next you get to put it all back together. This is a pretty big job for the home mechanic.

You will need an impact driver, flywheel puller, case splitter and torque wrench plus the normal screwdriver, pliers, etc.. Alternate to the special tools is taking it to the dealer and say "Fix it".
I normally tell people to take it to the shop just so they don't get into such an involved project.

Free service manual PDF download at > http://www.carlsalter.com/motorcycle-manuals.asp

Please rate this solution. Thanks!

tombones

  • 3567 Answers
  • Posted on Jun 07, 2009

SOURCE: 1st gear issues

How do I put this? Yes, you have a bent shift fork. And, yes, they can get bent in a fall, a dump, a drop or whatever terminology is used. The fork engages into a collar on a gear that slides left and right, (slider gear). Large "pins" called "dogs" are cast into the side of the gear. The dogs engage into holes in the side of the gear you are shifting into. Question: What happens if the bike drops on the clutch side and the shift lever is forced down, moving the slider gear to engage first gear even though the holes in the side of first gear are not lined up with the dogs on the slider gear? "You get a bent shift fork" is the correct answer. The force of the shifter lever moving the shift fork into the solid parts of first gear, (not lining up with the holes), is easily great enough to bend a fork. That pressure has got to go somewhere.

The repair means removal of the engine and a complete tear down of the engine/gearbox. The replacement of the bad fork is a given. But I suggest you do some preventative maintenance now, while the engine is apart anyway. Replace the sprocket shaft left bearing and seal, both crankshaft bearings and seals, shift shaft seal and the water pump seals. These are pretty low cost items and replacing them will mean you have pretty much rebuilt the engine. Have the dealer check the shift shaft to be sure it does not now have a bend in it.

Go to the site below where you can see a parts diagram for your specific bike. You will select the actual brand, year, model, etc., once you go to the site. Part numbers and prices are also shown. You can order parts from this site. In the event no price is shown on a particular part, the part is not in stock. http://www.babbittsonline.com/pages/parts/viewbybrandand/parts.aspx

Go to this site and you can download a free PDF service manual.
http://www.carlsalter.com/motorcycle-manuals.asp Most of the manuals are in English but some are not. There is no way to be sure without doing the download. You can always delete it if in a foreign language.


By the way, you can click on an experts name and see that persons profile.
Best wishes, tombones49 Please top rate this solution. Thanks!

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83 yz 125 was shifting okay. Drained oil, replaced with new clutch oil. Shifts into first, won't shift into other gears at all.

Hi Arron by any chance did you loose a spring and a ball bearing or plunger when you opened the sump plug??? Some bikes have one drain plug some have what looks like a drain plug but with a plunger to hold the selector drum in neutral. Check the container you drained your oil into you might get lucky. Regards Jim...
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My yz 125 dirtbike is stuck in 1st gear while its off and wont start up

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I have an 04 yz 125 that won't shift into 2nd but

2nd gear is at the bottom of the shafts if the tranny is stacked in the mag side case. So it is controlled by the bottom fork. You should be able to shift it thru all the gears by turning the shift drum. Make sure as you shift the shafts stay all the way in the output shaft and idler shaft bearings. As you shift it, look for full mesh between the wheels(shaft that goes to the clutch) and the gears across on the output shaft.
If that all looks good, the shifter cluster(on the end of the shift drum, with the 2 dogs that engage the notched wheel on the end of the drum) may not be lined up properly. If the gears and shift drum are new, I'm thinking I'd look there first. Good luck!
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How to drive?

you can ride the cluthch on a bike un like a car you wont hurt it its oil lubricated constantly, sitting on the bike pull the clutch in with your left hand and click the left foot lever down in to 1st, then learn how to click it back up 1 half movement in to neutral. the neutral light will come on sfter the bike enters neutral. in first gear give the throttle on the right hand a squeeze and pull the clutch in with your left hand put foot gear selector down in to 1 st and begin to release clutch slowly. hold on as bike will engage may be jerky balance yourself! when you get moving stop! by pulling the clutch in and the hand brake as you close the throttle to stop! practice your take off many times some where safe! when you get your balance in 1st gear pick up speed and begin shifting the foot gear selector up in to 2nd gear and practice closing the throttle and breaking to a safe stop. gears are generslly 1st down 1 click 2345 and6th all up from there and neutral is 1 half a click up from 1st between 2nd gear. And dont put it in gear with the kick stand down t may stall on you

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Yamaha Raptor Shifting

Hi there,

Well, it seems like there is a problem with the shift return spring; it's on the backend of the gear, Seems broken or not attached properly, so first of all do this check.

Good Luck!!
Thanks
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Yz 125 2001 stays in gear with clutch pulled in

hi m8,,this might sound stupid,, but in winter dayz and salty conditions ,cables corrode in side,,so i can start some where to help,, 1st take the cable off the handle bar,, and the clutch casin,,get a little bit of oil in a jam jar or any thing like that,,dip one end of the cable in the oil ,and keep pullin and pushing the inner cable as if u were trying to draw oil up threw the inside of the cable ,, turn cable the other end and repeat,, try that 1st m8,, still have probs come bk, and il go threw the next step,,
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Bike stays in gear with clutch in

You are saying that with the clutch lever pulled in the bike still wants to go forward. Generally that is caused by dirty, gritty oil in the gearbox. Go ahead and change the oil. 10w40 motor oil is what you want. I think that will fix the problem assuming the clutch plates were installed properly. The first plate installed and the last plate installed should be a fiber friction plate, 8 plates total. A metal pressure plate goes between each fiber plate, 7 plates total.

Be sure the lever assembly arm is installed so that it gets full movement of the clutch cable. If the full range of movement is not present then full disengagement of the clutch is not going to happen.

cape cod bob did you a good service in the manual referral. Be sure to say thanks.
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