TRX250r.org

Author Topic: 88/89 Stock A-Arms  (Read 1005 times)

Offline The norm

88/89 Stock A-Arms
« on: January 23, 2021, 11:02:11 PM »
Howdy friends, I am in need of some help! I want to machine some ball joint sleeves for 88/89 lower A-Arms. Unfortunately I do not own any! So if anyone here has 88/89 lower arms could they please measure the bore in the oem ball joint? I need as exact a measurement as possible. I want to machine the sleeves so they have .001" clearance.






Thanks Loren
1986 Trx250r-- Hybrid Engineering 391(Good bye super 310)
1986 Trx250r-- Hybrid Engineering  ported stock 86 cylinder
1986 Trx250r-- craigslist engine with unknown ported 89 cylinder.
1985 Atc250r-- Needs a lot of work (Super 310's new home)

Offline 2ndmoto

Re: 88/89 Stock A-Arms
« Reply #1 on: January 25, 2021, 09:51:44 PM »
Did you get the dimension?

Offline The norm

Re: 88/89 Stock A-Arms
« Reply #2 on: January 25, 2021, 11:13:43 PM »
No I didn't
1986 Trx250r-- Hybrid Engineering 391(Good bye super 310)
1986 Trx250r-- Hybrid Engineering  ported stock 86 cylinder
1986 Trx250r-- craigslist engine with unknown ported 89 cylinder.
1985 Atc250r-- Needs a lot of work (Super 310's new home)

Offline hickwheeler

Re: 88/89 Stock A-Arms
« Reply #3 on: January 28, 2021, 10:22:29 PM »
What you didn't like my measurements lol
88 hybrid 431 puma
88 (BOF Build) stock motor and oem 89 plastics
More in the works

Offline The norm

Re: 88/89 Stock A-Arms
« Reply #4 on: January 28, 2021, 10:47:15 PM »
I hadn't gotten your measurements yet lol. Your measurements are consistent with Kevin's and mine.
1986 Trx250r-- Hybrid Engineering 391(Good bye super 310)
1986 Trx250r-- Hybrid Engineering  ported stock 86 cylinder
1986 Trx250r-- craigslist engine with unknown ported 89 cylinder.
1985 Atc250r-- Needs a lot of work (Super 310's new home)

Offline broken1

Re: 88/89 Stock A-Arms
« Reply #5 on: January 29, 2021, 12:31:55 AM »
Not sure how accurate my measurements were, I used a styrofoam yardstick.

 

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