Question about 2007 Yamaha Ybr 125

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It's my first time riding a bike . So don't really know the maintenance side.the chain has become loose but don't know how to adjust it. How do you tighten the chain ?

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Generally there is a screw or screws on the back or somewhere to tighten the chain within a certain inch wise range.

Posted on Aug 19, 2010

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1 Answer

My bike looses power in high gears


I don,t think the chain could cause this , try lubing the chain with oil and taking it for a ride see if that makes a difference , when was your fuel filter last changed or your air filter cleaned or changed.

Apr 12, 2013 | 1995 Suzuki GSX 600 F (Katana)

1 Answer

Hi, I tightened my honda cbf 600's chain but i can not loose it again and now it's too tight.


steps to loosen the chain on a CBF600:
-check the chain tension while the bike is sitting on the kickstand in neutral. It should have 1" to 1.5" FREEplay when measuring halfway between the front and rear sprocket.
-loosen the rear axe nut approx 1 full turn, this should require a 27mm socket.
-look for adjusting bolts on either side of the swingarm, sticking out from the rear plate. There will be an adjusting nut and lock nut on it.
- Loosen the 10mm locknuts on both sides (bringing it towards the rear of the bike) while holding the head of the 12mm adjusting nut from turning.
- Adjust both of the adjusting nuts outwards to loosen the chain, inwards to tighten the chain. 1/2 turn on the adjusting bolt will change the chain freeplay by about 10mm.
- Hold the 12mm nut, and snug the 10mm nut up to it. This will lock the adjusters in place.
- While holding the bike, press firmly on the back of the rear tire, This will move the rear wheel forward, and taking up any slack that was created by loosening the adjusting nuts.
- (Optional step but suggested) Use the hatch marks on the swingarm, just below the axle, to gauge whether the rear axle is adjusted evenly on both sides. Make any adjustments necessary to align the axle evenly on both sides. This will require moving the adjuster on one side ONLY. Consider your chain tension while doing this step (if necessary) since you can either loosen one side or tighten the other. After making any adjustments, press the wheel forward again and re-check your alignment.
- Using a 27mm socket, tighten the axle to the proper torque, which should be around 85 Ft.Lbs. If you are not sure about whether or not the axle nut was properly tightened, be sure to ride the bike carefully to a motorcycle shop and ask them to double check it.
-Finally, check the chain tension and make any adjustments necessary by following the previous steps.

Dec 10, 2012 | 2008 Honda CBF 600

1 Answer

I have a problem that the whole bike shakes really bad in gear but ok in neutral


Sounds like a loose or rusted drive chain, check & adjust

Hope this helps (if so please mark as very helpful)

Ride Safe
Bike-Doc

Apr 15, 2010 | 2001 Aprilia RS 125

1 Answer

I'm new to bike riding, it's only been a couple of months. I really don't know how to explain my problem, other than when I'm riding (downhill, uphill, anywhere), it feels like the bike is giving out when...


By "giving out" do you mean it feels like not all the power generated by your legs is getting to the rear wheel? This can be caused by a chain that need oiling, pedals that stick or don't turn easily, badly adjusted gear set (that doesn't have the chain riding in the middle of each gear, but off to one side or the other). Do you notice any chattering or scraping noises when you ride?
Also, make sure your seat is adjusted correctly. To get full power, you leg should be almost straight when you are sitting on the bike and the pedal is at the bottom of the stroke. If not, raise the seat until you can just touch the pavement when the bike is tilted (as at a stoplight). Also, make sure the tires are inflated correctly. Overly soft tires take more work to get to your destination.

Jul 07, 2009 | Schwinn Cycling

1 Answer

Chain


If the chain is making a rattling noise it is too loose and also needs chain oil. Lubricate and adjust the chain before riding again. A loose chain can come off and do some really nasty damage to the bike and to the rider.

Ever had the rear wheel lock up at 60 MPH and have your body fly over the handlebars and onto the street? Pay attention to the chain.

Please rate this solution. Thanks!

Mar 29, 2009 | 2004 Honda VT 750 Shadow Aero

2 Answers

I need to tighten my chain


Look at the rear axle. There should be marks on both sides indicating where the axle is in relation to the swingarm. Note the position of the axle, then loosen the axle. There MAY be chain adjusters at the back end of the swingarm, but not all bikes have those. If yours does, as you look at the swingarm from the rear of the bike you will see two adjustment bolts. Tighten those up, and make sure you keep the axle position indicators the same on both sides. Your chain should have 1-2 inches of slack as you lift and press down on the middle of the longest run of the chain. Often there is a sticker on the swingarm that tells you how much slack is acceptable, do as the sticker says if it is there.

Mar 15, 2009 | 2005 Yamaha Ybr 125

1 Answer

Chain Rubbing


Kevin:

I'm not sure if it's rubbing on the front or rear shifter. The front is more common, so I'll try that first. The shifter pushes the chain left (lower gear) and right (higher gear) to shift - if it's rubbing, then it may be trying to shift. If it can't be fixed by using the shifter directly, which you've probably tried already, you'll probably need to adjust the cable.

There are two ways to adjust the cable, with a barrel adjuster and with a wrench. The barrel is the piece between the cable housing (plastic tube the cable goes through, usually black) and the shifter. If it's the front shifter, it will be the one one the left of your handlebars. Try 'unscrewing' the barrel a little bit at a time. It may be off in either direction, but 'unscrewing' will tighten the cable, and since you bought the bike in the summer, it's likely that the cable has stretched and become loose since then.

Count the number of turns and try only 1 at a time, watching to see if the rubbing goes away. If not, return it to where it was by turning the same number of turns the other way.

Without knowing whether it's the front or rear, which gear it's in and which side it's rubbing on, this is my best answer. Let me know and I'll adjust my advice!

Dan

Nov 19, 2008 | Mongoose Exile 26 Men's Full-Suspension...

1 Answer

Maintenance


I know this is a maintenance question but I'm looking for a little local information. I went to clean my chain yesterday and noticed that it's way too long. There's a bit of kinking too so it's time to get a new chain. The chain maintenance info on this board seems pretty detailed and doesn't look too hard (lol perhaps I should mention that I'm a noobie and haven't worked on my bike much yet). Should I attempt this on my own? Any suggestions where in TO I should get the chain and tools? Or should I take the bike to Rev Cycle (any rough estimates on price)?,Depending on your skill and comfort level you can probably tackle this job OK, here are some rules (I'm making up early Saturday morning without the benefit of coffee) Buy the best quality chain you can buy, (x or o ring) If the chain is screwed chances are your sprockets are too (yeah I know $$$) It's a good time to go up in the rear or down in the front (sprocket teeth, don't do both) if your bike has a single swing arm forget it (tools stands etc too much hassle adjusting probably not worth it just take it too the dealer unless your very determined and are investing in the tools and time etc) otherwise no biggee. Now so your chain lasts don't over adjust, unsprung the chain will appear loose get some else to sit on the bike as you check the chain tension all the way through the suspension travel check chain and sprocket alignment (laser, eye ball whatever) sometimes shims or other pieces go missing (especially when chain have kinks or wear prematurely) chain wax is your friend, lube it hot and use a clean rag to get excess and clean sprockets.,,,

Nov 10, 2008 | 2002 Ducati 750 Sport

1 Answer

Maintenance


I know this is a maintenance question but I'm looking for a little local information. I went to clean my chain yesterday and noticed that it's way too long. There's a bit of kinking too so it's time to get a new chain. The chain maintenance info on this board seems pretty detailed and doesn't look too hard (lol perhaps I should mention that I'm a noobie and haven't worked on my bike much yet). Should I attempt this on my own? Any suggestions where in TO I should get the chain and tools? Or should I take the bike to Rev Cycle (any rough estimates on price)?,Depending on your skill and comfort level you can probably tackle this job OK, here are some rules (I'm making up early Saturday morning without the benefit of coffee) Buy the best quality chain you can buy, (x or o ring) If the chain is screwed chances are your sprockets are too (yeah I know $$$) It's a good time to go up in the rear or down in the front (sprocket teeth, don't do both) if your bike has a single swing arm forget it (tools stands etc too much hassle adjusting probably not worth it just take it too the dealer unless your very determined and are investing in the tools and time etc) otherwise no biggee. Now so your chain lasts don't over adjust, unsprung the chain will appear loose get some else to sit on the bike as you check the chain tension all the way through the suspension travel check chain and sprocket alignment (laser, eye ball whatever) sometimes shims or other pieces go missing (especially when chain have kinks or wear prematurely) chain wax is your friend, lube it hot and use a clean rag to get excess and clean sprockets.,,,

Nov 10, 2008 | 2001 Ducati 750 S i.e. N-C

1 Answer

Maintenance


I know this is a maintenance question but I'm looking for a little local information. I went to clean my chain yesterday and noticed that it's way too long. There's a bit of kinking too so it's time to get a new chain. The chain maintenance info on this board seems pretty detailed and doesn't look too hard (lol perhaps I should mention that I'm a noobie and haven't worked on my bike much yet). Should I attempt this on my own? Any suggestions where in TO I should get the chain and tools? Or should I take the bike to Rev Cycle (any rough estimates on price)?,Depending on your skill and comfort level you can probably tackle this job OK, here are some rules (I'm making up early Saturday morning without the benefit of coffee) Buy the best quality chain you can buy, (x or o ring) If the chain is screwed chances are your sprockets are too (yeah I know $$$) It's a good time to go up in the rear or down in the front (sprocket teeth, don't do both) if your bike has a single swing arm forget it (tools stands etc too much hassle adjusting probably not worth it just take it too the dealer unless your very determined and are investing in the tools and time etc) otherwise no biggee. Now so your chain lasts don't over adjust, unsprung the chain will appear loose get some else to sit on the bike as you check the chain tension all the way through the suspension travel check chain and sprocket alignment (laser, eye ball whatever) sometimes shims or other pieces go missing (especially when chain have kinks or wear prematurely) chain wax is your friend, lube it hot and use a clean rag to get excess and clean sprockets.,,,

Nov 10, 2008 | 1985 Ducati 750 F1

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