Question about Mongoose 29in Torment Mountain Bike - PACIFIC CYCLE, LLC

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The stem is loose when im riding but i tightend the L key on the top tight as possible n neck still loost any idea?

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There are typically two allen bolts that mount on the side of the handlebar stem. Those should be tightened. The top one should only be tightened to remove up and down play in the headset. If you tighten the top one too tight, steering will feel clunky. Only tighten the top one tight enough to remove the up/down play. Use the side bolts to keep the handlebars from turning relative to the wheel.

Posted on Jul 05, 2014


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Posted on Jan 02, 2017


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Evey little bump I hit riding it sounds like its bottoming out in the frount?

Do you mean like a clunk?

If so, then it COULD be bottoming out, if low on fluid, or too thin a fluid is used.

Another (little known) trick if the front triple trees (clamps that connect the steering neck to the fork tubes).
For installation clearance, the hole in the top tree is a little larger than the fork neck stem, so it can slide over it.
If at the high end of the allowable tolerance, some extra play could be present, causing a "click" or a "clunk" going over a bump, or up into a driveway.
One old time cure is to use shim stock around the steering neck stem, filling the gap between it and the hole in the top tree.

Finally, make sure the neck bearings are properly adjusted.

Oct 06, 2013 | Harley Davidson FLSTC Heritage Softail...

1 Answer

Bearings working loose on h bracket

on your headset or on your bottom bracket? im assuming you mean your headset. easiest solution to fix that is to loosen the top bolt that holds down your headset, then loosen the two othe bolts located on your stem. with the stem bolts loose tighten the top bolt until you feel slight resistance when you turn the front wheel. then re align your handlebars with the front wheel and re tighten the two stem bolts. if its a persisting issue try using locktight in your star nut which is located under the top bolt in your headset.

Jun 03, 2012 | Mongoose Khyber Super

1 Answer

My RST front fork seals leak. Are they hard to replace? Where should the fork adjustment be for riding around town, and easy, mild off-roading? (I weigh 260 lbs). Can I raise the height of the goose neck...

You could find instant answers to every one of those questions using a search engine and there would be videos.

Regarding the stem search "adjust (or "raise") threadless stem"

Preload on a shock is up how the bike sets down with you on it. "bicycle shock preload"

"replace bearings on RST shock"

One example:

Don't mess with steering hardware on your bike unless you understand it. Your life depends on those bolts.

Jun 25, 2011 | Cycling

1 Answer

Hi, my scooters steering has gone strange,i think it might be because it is loose.Is it something that i could fix myself? Its a generic xor 125

Be sure the front axle net is tight. Next, check the center nut on the steering stem. It attaches to the stem and will have a lock nut on top of it, (green highlight). The bearing nut, (blue highlight), should be snug against the stem bearing. Too tight and the steering is stiff. Too loose and the steering is squirrelly. Note; the bearing may have gone bad. If so, replace it. Once the bearing nut is set, lock it down with the lock nut. The image below is generic. tombones49_6.gif

Mar 19, 2011 | Factory bike Chrono SM 250 Motorcycles

1 Answer

The bike wobbles a lot at low speed. the casquette and triple clamp fittings are tight. The wheels are balanced, the swingarm bushes are new and the both wheels are aligned. The all wheel bearings have...

The problem you are describing is just low tire pressure. If you replace the steering neck bearings you also need to replace the races the bearings roll against to properly tighten the neck. One piece bearings are like automotive wheel bearings , It is a cone shaped bearing with a cone shaped race. If you know the dimension of the steering stem and the steering neck inner diameter , you may be able to purchase some.
If your fork slide bushings were loose , or if the inside of the fork lower/bottom were worn they could be sloppy with out leaking past the seal on top of the fork lower/bottom.
I think you need to inspect your tire for cupping and try 35 pounds of pressure that may be all you need.

Oct 09, 2010 | Enfield Bullet Electra Motorcycles

2 Answers

I have a 2000 Suzuki 1500 LC, I've got a wobble in the front end when I'm going about 30 -40 mph. I've been told that it's fork oil but not sure it has oil in it as it's got springs. Any idea what it...

A wobble that appears when slowing down is many times just low tire pressure. Check the front tire pressure should be 32-35 pds. Another thing that can cause a wobble is worn or loosely adjusted fork frame neck bearings(steering stem bearings). Disassemble around the handlebars down to the frame neck till you get the upper triple clamp off or can reach the adjuster nut , just underneath on top of the frame neck enough to tighten the steering stem bearings. You will need a shock adjusting tool (curved end with a single tooth) Comes standard in all Honda tool kits). Next, put a jack under the motor to lift the front wheel . Carefully wiggle the front wheel to see if you have a bad wheel bearing. If you do not have fork oil in your forks, you could possibly damage the chrome tubes. No oil would mean the forks would not go up and down smoothly. Do not add oil to your forks. Do not over fill your forks with oil. If you are not sure how much oil is in them, drain them and refill them with the correct amount. If you over fill the forks and drive the bike you will destroy the fork tubes.

Sep 24, 2010 | 2000 Suzuki VL 1500 Intruder LC

2 Answers

How do I attach the hadlebars?

the bars go throuhg the hole down into the front wheel. on the bar where the the neck goes into the frame there is a hole in that a long bolt goes in that, then the wedge shape nut goes on the long that runs down the neck into the frame that the front is in. make sure that the wedge bolt will line up with wedge on bar. place through frame into wheel so the neck bottem out get your ratach and start cranking as it get tight line up neck w/ tire and lock it down pull up to check turn head just in case

Feb 21, 2010 | Dynacraft Girls 16" Barbie Bike

1 Answer

My daughter wrecked on her Mongoose r2261wm and now the handlebars just spin. We can't see any obvious breaks or loose/missing bolts. We're thinking it must be something inside the fork where the bar goes...

There should be a bolt on the frame at the base of the handle bar stem. There should also be a bolt on the top of the handle bar stem. If these are both tight and secure. The odds are the expansion clamp that's connected to the base of the handle bar (part that goes into the frame) has broken.

Aug 23, 2009 | Cycling

1 Answer

Noise cooming from clutch or trans.? at idle and riding slow.. yz

a possible worn clutch lining or the clutch assembly is loose. the service manual will walk you through getting it tight with a torque wrench. best if you don't ride it for the mean time.

good luck

May 28, 2009 | 2003 Yamaha YZ 125

1 Answer

I need to raise the handlebar height on my 26" bike.

On the neck, the bolt would be at the top, dead center, screwed down inside the neck. Loosen it about 5 full revolutions. Then take a hammer and tap it back down. Lift the handlebar to desired height, and hold it there 'til tight. Also while it's a little loose turn it clockwise/counter clockwise, to make the bar straight (while holding the front wheel) before fully tightening. Then your done! Glad to help. Best wishes to you.

Jan 18, 2009 | Huffy Cycling

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