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Re: 1973 T140 rocker spindles. Oil grooves? [Re: Coco] #407960
12/09/11 5:30 pm
12/09/11 5:30 pm
Joined: May 2007
Posts: 358
Regina Sk, Canada
Coco Offline OP
BritBike Forum member
Coco  Offline OP
BritBike Forum member
Joined: May 2007
Posts: 358
Regina Sk, Canada
I am finally getting my rocker boxes back together and want to put my new top end on this weekend.

Just to recap:

Move thackary washer(spring washer)up against inner rocker box and have flat washers butted up against the ends of rocker arm.

Do I need to add an extra washer between the spring washer and inner rocker box? It seems the end of the spring washer can dig into the aluminum inner surface of the rocker box.

I read somewhere to buy a couple extra 1/2" ID washers (which I did) and I can't recall what I'm supposed to do with them or where they go.


Colin
--------------------------
1975 MKIII Norton Commando
'73/'70 Triumph 750 chop in the works
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Re: 1973 T140 rocker spindles. Oil grooves? [Re: Coco] #407977
12/09/11 7:33 pm
12/09/11 7:33 pm
Joined: Nov 2005
Posts: 7,379
Back on the mainland!
JubeePrince Offline

Life member
JubeePrince  Offline

Life member
Joined: Nov 2005
Posts: 7,379
Back on the mainland!
Originally Posted By: Coco
Move thackary washer(spring washer)up against inner rocker box and have flat washers butted up against the ends of rocker arm.

Correct.

Originally Posted By: Coco

Do I need to add an extra washer between the spring washer and inner rocker box? It seems the end of the spring washer can dig into the aluminum inner surface of the rocker box.


No. It seems like that is what will happen, but in fact will not.

Originally Posted By: Coco

I read somewhere to buy a couple extra 1/2" ID washers (which I did) and I can't recall what I'm supposed to do with them or where they go.
They replace the 3/8" washers (2) that originally came with the asssembly(ies). If you look closely at the spindle, there is a step/shoulder near the threaded portion of the spindle. When you move the thackery further toward the end of the spindle, the flat washer needs to be 1/2" to clear the step/shoulder.

HTH,
Steve


'77 T140J
"Vintage Bike". What's in your garage?

"The paying customer is always right."

Fitting round pegs into square holes since 1961...
Re: 1973 T140 rocker spindles. Oil grooves? [Re: JubeePrince] #408064
12/10/11 3:49 pm
12/10/11 3:49 pm
Joined: May 2007
Posts: 358
Regina Sk, Canada
Coco Offline OP
BritBike Forum member
Coco  Offline OP
BritBike Forum member
Joined: May 2007
Posts: 358
Regina Sk, Canada
Originally Posted By: JubeePrince
Originally Posted By: Coco
Move thackary washer(spring washer)up against inner rocker box and have flat washers butted up against the ends of rocker arm.

Correct.

Originally Posted By: Coco

Do I need to add an extra washer between the spring washer and inner rocker box? It seems the end of the spring washer can dig into the aluminum inner surface of the rocker box.


No. It seems like that is what will happen, but in fact will not.

Originally Posted By: Coco

I read somewhere to buy a couple extra 1/2" ID washers (which I did) and I can't recall what I'm supposed to do with them or where they go.
They replace the 3/8" washers (2) that originally came with the asssembly(ies). If you look closely at the spindle, there is a step/shoulder near the threaded portion of the spindle. When you move the thackery further toward the end of the spindle, the flat washer needs to be 1/2" to clear the step/shoulder.

HTH,
Steve


Steve, that helps so thanks for the info.I had one assembled and I did it the right way. I just wanted to make sure before I push it all in and get the o-ring seated in there.


Colin
--------------------------
1975 MKIII Norton Commando
'73/'70 Triumph 750 chop in the works
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