front end

  • customkz1000
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25 Aug 2011 21:49 #471778 by customkz1000
front end was created by customkz1000
When I go around a left hand corner at moderate speeds the front end wobbles. What could it be?

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  • hocbj23
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25 Aug 2011 21:58 #471780 by hocbj23
Replied by hocbj23 on topic front end
Possibilities:
Triple tree bearings worn and /or need adjustment.
Swingarm bushings worn
tire(s) worn or need balancing
front bearings worn and/or need repacking
the dreaded Kaw front end wobble-call for an exorcist.Lol.bj

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26 Aug 2011 10:15 #471912 by 531blackbanshee
Replied by 531blackbanshee on topic front end
bent rotor.









leon

skiatook,oklahoma 1980 z1r,1978 kz 1000 z1r x 3,
1976 kz 900 x 3
i make what i can,and save the rest!

billybiltit.blogspot.com/

www.kzrider.com/forum/5-chassis/325862-triple-tree-custom-work

kzrider.com/forum/5-chassis/294594-frame-bracing?limitstart=0

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26 Aug 2011 20:35 #472019 by MFolks
Replied by MFolks on topic front end
I copied this from a post from Jeff Saunders(owner of Z1 enterprises)

Motorcycle Wobble Causes

There's a LONG list of potential area that can cause this.

These are not in any particular order
Wheel bearings
Steering bearings - repack grease, check tightness
Swing arm bushings/sleeves/bearings - replace is worn, repack grease
Fork springs aging - check spring length
Unequal fork oil - if seals leak, then your damping can be ineffective
Rear shocks aging, damper leaks - if you have oil leaking from the seals, the damping is toast.
Worn Tires/Mismatched tires/tire pressures/wrong size tires
Wheel alignment - don't trust the chain adjusters - I visually align the wheels.
Bent rims/broken spokes - get the wheels off the ground and spin them - check for runout / damage
Front disc warped - check for runout

Steering & swing arm bearings are very common problems, but so are tire issues (pressure/mismatch) and wheel alignment.

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)

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  • wireman
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26 Aug 2011 20:40 #472024 by wireman
Replied by wireman on topic front end
jack frontend of bike up off of ground and start shaking it side to side up/down B)

posting from deep under a non-descript barn in an undisclosed location southwest of Omaha.

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  • mark1122
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27 Aug 2011 04:45 #472099 by mark1122
Replied by mark1122 on topic front end

wireman wrote: jack frontend of bike up off of ground and start shaking it side to side up/down B)


then do the rear end.

76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.

~ ~ ~_@
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~ (k) / (z)
The following user(s) said Thank You: wireman

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