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Chumba Racing EVO bearing kit

All the bearings in my Chumba EVO 2007 mountain bike frame need replacement. Does anyone have the specs for this frame? Which bearings sizes are required?

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2007 Honda CBR125R replace camshaft bearings


Hi, Anonymous for this scenario you will need your service, parts fiche, and owners manual if you can't find the best tool you ever bought for your Honda, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
2007 Honda CBR125R replace camshaft bearings Google Search
How to install camshaft bearing by Bobby Mencias of BMR Racing Team
Honda CBR125R Owner Manual service not owners
http://www.partsfish.com/page/oem-parts-for-honda
Honda CBR125RW Owner Manual

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Started hearing alot of top end noise, Valves are in spec ok, But did notice some metel dust on the outside end of the intake cam lobe. Can anyone tell me what i am looking at. I have a 2007 RMZ 250...


You red line this bike don't you? The first thing to start going on a cam is the bearings. Change bearings and run the bike for about 30 hours at 1000rpm and let it break in, then change the oil and hit it hard. It will last longer.Might want to look in the crankcase too and see if there is metal shavings there too. You may need to change the rod bearings. But either way you are on the curve of burning up your engine.

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Need a bearing size or part number to replace a pedal bearing in a huffy stone mountain multi speed 26" bike


Pedal bearing or bottom bracket bearing? Your best bet would be to take it to a local Bike Shop and have them assess it.

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Dyno mountain bike with a braking noise


If it is when you pedal, check the bottom bracket (where the cranks are attached) The bearings might need changing which would cause the noise.

Do the handlebars rock back and forward, if so, check and tightent the headset, check the bearings inside if they are dry or broken, replace and re-grease.

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Bad crank bearings can move crank arms small amount.


That would depend on the style of bearings (loose ball or caged balls vs sealed bearings) and possible bottom bracket damage.

Either way, a Bike Shop mechanic would probably need to assess it for you. Special tools are usually involved.

http://parktool.com/repair/byregion.asp?catid=61

May 23, 2010 | Schwinn Mesa Gs Mountain Bike

2 Answers

The crank arm is stripped on the left side of the bike


Yes, the crank-arm could be replaced.
1.You would need to remove the flat nut holding the crank to the frame. And then take out the bearing.
2. A special open-ended wrench is required to remove this nut. Please visit your local bicycle shop for a new crank-arm, and the required tools, also.
3. Put in new crank-arm and its bearing.
4. Grease the bearing.
5. Tighten nut.
6. Give it a test ride.

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1 Answer

Does anyone know if all of the components from a 2000 year model Raleigh Serengeti Mountain bike will fit on a 2006 Trek 4500 frame? I am looking at upgrading to a lighter frame, but like the components on...


They ought to. Bicycle components are quite universal. You may run into a part or two which won't fit (front derailleurs have to fit frame design [especially on full-suspension bikes] as well as tube diameter), and you must bear in mind that the geometry of the new frame will most assuredly be different, so your handlebars and stem may no longer be familiar or comfortable to you. Good luck!

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I HAVE A MGX MOUNTAIN BIKE. WERE THE PEDAL ARE


im certain that model has a 3 piece crank set up. the inner crank bearing jam nut has loosened up or the bearings themselves have gone bad.first check to see if its tight, if it is then it will require a replacement set of bearing that are a pretty standard size to all bikes and can be purchased at nearly every bike shop.

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1 Answer

How to disassemble crank bearing on Schwinn Mesa Mountain Bike


You wil need a couple of special tools, or be fairly creative with the tools you have.
  1. remove the dustcovers in the crank arms at the crank axle
  2. loosen the crank retaining nut/bolt.
  3. thread in a chank puller and pull the crank arms.
  4. remove the lock ring on the adjustable side of the crank axle (Requires lock ring wrench)
  5. remove adjustable bearing cup.
  6. remove axle and bearings
  7. replace or repair as needed.
Once you have it opened up ou can determine if you need new bearings or crank axle.
to assemble, reverse above procedure, insuring bearing play is minimalized.

Hope this helps.
Ed

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