Fork assembly odd part what is this? - Page 2 - Triumph Forum: Triumph Rat Motorcycle Forums
Air Cooled Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, Bobber, T100, Speedmaster, America, Thruxton, and Scrambler.


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post #11 of 18 (permalink) Old 08-16-2016, 01:41 PM
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Main Motorcycle: 2002 Bonneville T100
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The oil seal/lock I purchased from Bikebandit came with the spring.

/M

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post #12 of 18 (permalink) Old 08-17-2016, 01:20 AM
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Main Motorcycle: Triumph Bonneville A2
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Quote:
Originally Posted by willt View Post
Daddio: I saw DelBoy's video and there was no mention of the oil-lock. Do you know of a better video?

Thanks!

Wm
I have to look a bit. As I said, I have the Haynes manual, that is what I used. I'll grab it out of the garage in the morning. I'd post pics of it but it's copyrighted material and I don't want trouble for me OR the site.

Are you wondering exactly how it goes together? Maybe I can sketch something. I will check the manual in the morning (it's late here now). As I recall, it's like a little hat that fits over the bottom of the damper, with the lip-side downward and the spring inside, so that the damper fits inside it and the oil lock acts like a seat for the damper. As Forchetto mentioned, it IS a seat. There is one per fork leg.

As mentioned in another reply, the spring comes with that plastic part. The Triumph fiche is a bit misleading, it looks like the oil lock fits at the bottom of the inner fork tube. That tube is open at both ends and should not be resting at the bottom of the outer fork leg. The damper sits at the bottom of the inside of the outer fork tube, so the oil lock rests on the bottom of the outer fork leg, the bolt that holds the damper goes through it and the spring to attach to the damper. Yes, a sketch will help. Stay tuned.

By the way, I did get a fork seal driver for the 41mm fork after I scratched the inner tube trying to use a punch (yes, idiot). Inner fork tube: 220 USD, seal driver at Motorcycle Superstore, about 45 bucks. That fork tube hangs in the garage as a reminder to use the right tool for the job or pay the price.
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post #13 of 18 (permalink) Old 08-17-2016, 11:17 AM
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OK... I moved recently, and my garage hasn't been sorted, so I don't know where my manual is.

I drew this from memory, so PLEASE comment if you see something wrong.

And, NO, I am NOT an artist. I can't draw, that is why I got into computers. I hope this is understandable nonetheless.

BY THE WAY - I used a handle off a garden tool to hold the damper in place when I loosened the bolt. It had a tapered end so it wedged inside the hole in the top of the damper. In theory, you don't have to do this, but I pulled the forks off before I tried to loosen the damper. The advantage in rebuilding: you can use this wooden handle to guide the damper with the spring and cap in place into the outer fork tube and then hold it there when you torque the bolt down.
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Last edited by Daddio; 08-17-2016 at 03:30 PM. Reason: fixed picture
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post #14 of 18 (permalink) Old 08-17-2016, 02:24 PM
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I just rebuilt my forks and that looks correct to me, plus the copper crush washer on the bolt.
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post #15 of 18 (permalink) Old 08-17-2016, 03:15 PM
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Quote:
Originally Posted by Zandor View Post
I just rebuilt my forks and that looks correct to me, plus the copper crush washer on the bolt.
Good catch! I forgot about the crush washer! I've got to rebuild my T100 forks soon (when I get a free weekend). Thanks!

I just updated the pic.

Last edited by Daddio; 08-17-2016 at 03:30 PM. Reason: correction.
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post #16 of 18 (permalink) Old 08-18-2016, 01:33 AM
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Main Motorcycle: 2014 Scrambler
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No problems! I see where it goes and how it is supposed to function. I was just surprised to see those little springs caught on the ends of my damper rods when I pulled it apart and I could not find the springs showing on the fiche I was looking at from Bike Bandit. When you posted your pictures, it all came together.

Thanks again,

Wm
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post #17 of 18 (permalink) Old 08-18-2016, 01:35 AM
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Oh, and really great drawing!!!

Wm
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post #18 of 18 (permalink) Old 08-18-2016, 04:36 AM
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Quote:
Originally Posted by willt View Post
Oh, and really great drawing!!!

Wm
+1, I like that.

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