Lonestar a arm rebuild - Kawasaki KFX450 Forum :: KFX450HQ.com
Suspension/Steering/Chassis Discuss major suspension, steering stem, chassis and similar modifications here.

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post #1 of 11 (permalink) Old 09-13-2019, 11:51 PM Thread Starter
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Lonestar a arm rebuild

I picked up some used +2 sport a arms from lonestar.

I’ve already knocked out the upper Delron bushings.

It looks like the lower is held in like oem with two c clips.
They aren’t loose at all but rather tight.

Have you guys had any luck pulling and adding grease to the lower bearing? Or usually just replace?

08 KFX450r- DASA, FCI, Stg 2 Hotcams, Wiseco FI, Dynatek Coil

Race Tech dual rate front springs, GT thunder XC Link and Race tech spring, LSR +2 Arms and LSR Axle

Poly Case Saver, Streamline Stabilizer, PRM Skidplates, Pro Armor Bumpers, Tusk Heel Guards, IMS 3.7 tank, 6K HID

Next up: Dasa Port Job, JE Pro 12 12.8 piston
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post #2 of 11 (permalink) Old 09-17-2019, 02:36 AM
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Not sure..? but I found an old thread on the subject that might be helpful...https://www.kfx450hq.com/forums/impo...problem-2.html

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post #3 of 11 (permalink) Old 09-18-2019, 03:29 PM Thread Starter
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Thanks DD I did read that.

Looks like I’m on the hook for the bushings from Lonestar.

I can reuse my lower oem bearings if they are in good shape

08 KFX450r- DASA, FCI, Stg 2 Hotcams, Wiseco FI, Dynatek Coil

Race Tech dual rate front springs, GT thunder XC Link and Race tech spring, LSR +2 Arms and LSR Axle

Poly Case Saver, Streamline Stabilizer, PRM Skidplates, Pro Armor Bumpers, Tusk Heel Guards, IMS 3.7 tank, 6K HID

Next up: Dasa Port Job, JE Pro 12 12.8 piston
blue99stroker is online now  
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post #4 of 11 (permalink) Old 10-10-2019, 02:54 PM Thread Starter
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UPDATE

Pulled the a arms partially apart.

The lower bushings are in great shape.

The uppers were worn out.

It was only 49$ for 8 new upper bushings.

I’m the 3rd owner so these a arms have seen some miles and haven’t been rebuilt (partially) until now.

Hopefully this weekend I can get the a arms and Axcalibar pro axle installed.

I will have a set of Honda Trx rears hubs for sale now too.

08 KFX450r- DASA, FCI, Stg 2 Hotcams, Wiseco FI, Dynatek Coil

Race Tech dual rate front springs, GT thunder XC Link and Race tech spring, LSR +2 Arms and LSR Axle

Poly Case Saver, Streamline Stabilizer, PRM Skidplates, Pro Armor Bumpers, Tusk Heel Guards, IMS 3.7 tank, 6K HID

Next up: Dasa Port Job, JE Pro 12 12.8 piston
blue99stroker is online now  
post #5 of 11 (permalink) Old 10-11-2019, 01:33 PM
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Not too long ago I did a steering stem rebuild and replaced both the upper and lower. I rode for a few months on it and put the +2 +1 lonestar a arms on and new bushings and bearings....and now the top mount on my stem has a decent amount of play in it already. Its plastic and has a small bushing wall inside. I'm not home or I'd post it... what kind of mount should I use?

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post #6 of 11 (permalink) Old 10-11-2019, 02:09 PM Thread Starter
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JLS motorsports (Jeremy Lorenzo?)
Sells a billet upper mount.

You can change the bushings and it has zerk fittings. Mine has slight play as well. But I won’t change it yet

08 KFX450r- DASA, FCI, Stg 2 Hotcams, Wiseco FI, Dynatek Coil

Race Tech dual rate front springs, GT thunder XC Link and Race tech spring, LSR +2 Arms and LSR Axle

Poly Case Saver, Streamline Stabilizer, PRM Skidplates, Pro Armor Bumpers, Tusk Heel Guards, IMS 3.7 tank, 6K HID

Next up: Dasa Port Job, JE Pro 12 12.8 piston
blue99stroker is online now  
post #7 of 11 (permalink) Old 10-11-2019, 04:12 PM
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Not too long ago I did a steering stem rebuild and replaced both the upper and lower. I rode for a few months on it and put the +2 +1 lonestar a arms on and new bushings and bearings....and now the top mount on my stem has a decent amount of play in it already. Its plastic and has a small bushing wall inside.

Here it is....

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post #8 of 11 (permalink) Old 10-11-2019, 04:14 PM
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Pivot Works Steering Stem Bearing Kit for 2008-14 Kawasaki KFX450R

Is there a better one?

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post #9 of 11 (permalink) Old 10-11-2019, 04:18 PM
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Sorry I dont know what happened there.... anyway once I put the extended a arms on it's so much more noticeable

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post #10 of 11 (permalink) Old 10-11-2019, 10:23 PM Thread Starter
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Here you go

The grease will help take up the play and make it last longer

https://jlsmotorsportsatv.com/shop?o...ll-yamahas-atv

08 KFX450r- DASA, FCI, Stg 2 Hotcams, Wiseco FI, Dynatek Coil

Race Tech dual rate front springs, GT thunder XC Link and Race tech spring, LSR +2 Arms and LSR Axle

Poly Case Saver, Streamline Stabilizer, PRM Skidplates, Pro Armor Bumpers, Tusk Heel Guards, IMS 3.7 tank, 6K HID

Next up: Dasa Port Job, JE Pro 12 12.8 piston
blue99stroker is online now  
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