Minor Mishap Last Night

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I took Ed out for a ride last night. One of my local Triumph dealers (we have 2 in the area) had a little 'meet and greet' in Delray Beach at a sports bar. Nice turnout, shared some stories and looked at each other's bikes. Of course, the Norton was the oldest bike there, the rest being Hinckley Triumphs and a newish Moto Guzzi. One of the guys there has a collection of CB750s - '69-'76, and another told about his youth in South Africa, where he ran a CB750 and his mate ran a red Commando Fastback. The guy with all the CBs runs an '02 Trophy, which he bought in Texas, new, in 2007 (dealer had it on his floor for 5 years!)
On the way home, I had about 15 miles on the Interstate. Everything was running great, cruising at about 80, when all of a sudden - SNAP! - the engine was no longer connected to the rear wheel. I coasted over to the side, shut the bike off, and put it on the centerstand. Chain was still there, no holes in the gear box, gearbox would shift through the gears as I spun the rear wheel, but offered no real resistance. Either my main shaft broke or the primary chain broke.

I figured the primary was probably not the culprit, as the alternator was running fine before I shut down.

I called my youngest (19), and he showed up a half hour later with a friend and the friend's dad. By this time I had pushed the bike off the highway and into a parking garage, where we could use the ramp to lower the effective height of the tailgate. The four of us lifted Ed into the bed and headed home.

This morning I went out into the garage and started on the bike. I was fully expecting to find a sheared mainshaft, but got a more pleasant surprise - when I opened up the primary, there was the chain, neatly coiled up between the sprockets. It had pulled on the alternator wire, but did not fray or break it. All the plates on one link set had sheared at the pin center. Aside from some scratches on the inner primary, I can see no further damage.

If all goes well, he'll be up and running this afternoon. I just happen to be passing by Wes' shop later on this morning. He should have a chain in stock.



I'd rather be lucky than good any day!
 
That same thing happended to me years ago but it did cut the alternator wires. To be fair I had been hooning around on it.
 
Had a little setback. Went to the shop and decided to spring for a Renold chain. When I got back to my garage and opened the box, it had an 80-link chain inside, instead of the 92 marked on the box. Another trip to the shop, and he had primary chains for everything except a Commando. Turns out the two he had were both mis-boxed. It'll take three or four days to get back on the road.
 
If God wants to send me the $500, I'll do it!

Belt drive setup - $399
Trans brace - $ 79
Primary cover (fiberglass) - $119 ready to be drilled for airflow, without damage to original cover.
Spare belt - $84

Plus shipping.


Compared to:

Renold chain - $132

Local pick up.
 
BillT said:
If God wants to send me the $500, I'll do it!

Belt drive setup - $399
Trans brace - $ 79
Primary cover (fiberglass) - $119 ready to be drilled for airflow, without damage to original cover.
Spare belt - $84

Plus shipping.


Compared to:

Renold chain - $132

Local pick up.

You don't need the Primary cover. Or the spare belt (right away). So I have it at $399 and the extra tranny adjuster at $79. So $500 sounds about right. :D
 
BillT said:
If God wants to send me the $500, I'll do it!

Belt drive setup - $399
Trans brace - $ 79
Primary cover (fiberglass) - $119 ready to be drilled for airflow, without damage to original cover.
Spare belt - $84

Plus shipping.


Compared to:

Renold chain - $132

Local pick up.

If it were me, I'd go with a Bob Newby belt drive but they are pricey at $895. I've got one for a Triumph T140 project and they are the best belt drives I've seen.

Of course this is if you are considering a belt drive otherwise $132 and your back on the road.
 
hi coco. got to agree the newby belt drive is the best,its expensive but if you compare it to a norvil or hemmings complete assembly theres not much difference
 
chris plant said:
hi swoosh,you dont need an extra tranny adjuster

Hmmm, I want one. Especially if I want to keep that mainshaft nice and parallel.

You, on the otherhand, may not.
 
Got new primary chain from Andover Norton - not Renold - for about $30 plus shipping which I thought was amazingly cheap. Looks decent. Made by CZ in Czech Republic. (Same CZ as in dirt bikes.)

Russ
 
swooshdave said:
chris plant said:
hi swoosh,you dont need an extra tranny adjuster

Hmmm, I want one. Especially if I want to keep that mainshaft nice and parallel.

You, on the otherhand, may not.
on the contrary i use an out rigger mainshaft bearing for that job :lol:
 
chris plant said:
swooshdave said:
chris plant said:
hi swoosh,you dont need an extra tranny adjuster

Hmmm, I want one. Especially if I want to keep that mainshaft nice and parallel.

You, on the otherhand, may not.
on the contrary i use an out rigger mainshaft bearing for that job :lol:

Is that more than $79?
 
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