Triumphrat

Madoc

The chain on my 95 t'bird hit the last mark on the adjuster. I only had it 6 months and it's got 17k on it, so I assumed it had hit wear limit.

Okay, so I bought a new one (just the chain as the sprockets looked good) and a splitter and put it on. adjusting it back, I found that one too almost went to the last mark on the adjuster before tightening................ ??

It's the model with the eccentric cam with the 18mm allen key adjuster......... I've fiddled without achieving enlightenment ..

I've checked the chain length and everyone says 110 links, which is what mine is......... .



Help ?

madoc

j98sprint

If you can pull the chain halfway up the rear sprocket teeth then the chain should be replaced. That is, grabbing hold of the chain halfway up the rear sprocket and pulling straight back. A good chain will stay snug on the sprocket.

Also, the manual gives a measurement for the limit of a 20 link section of chain of 319mm, which is 12.559". I think that means 20 pins/10 links. Try this...hang the old chain with a couple pounds of weight on the end, count 10 outside plates (20 pins) and take the measurement from the first pin to the twentieth.

It could, in all probability, be shot. A chain could wear out in 17,000 miles. But I hear you Europeans routinely get 30,000. Maybe you should look into one of those automatic chain oilers.

Concerning the new chain. Double check the length and don't worry too much about where it sits on the marks. If the chain is good (new) and properly aligned, where it sits on the marks shouldn't matter.

One more thing. How did you connect the new chain? Did you use a spring clip master link? If so, I suggest, if you don't have the proper chain tools, to have a local shop replace it with a permanent type rivet master link. They're way safer.

j98sprint

Madoc

I know all this.

It's just the adjuster marks that are confusing me.

A new chain on good sprockets should not be back on the last mark ... surely ?? or did triumph get it wrong ?

Shades

Count the number of teeth on the rear sprocket. It could be that the sprocket was replaced at some time and a smaller one was used.

Madoc

now that's a possibility I hadn't considered ... thanks.

A smaller rear sprocket gives you what ? more top end ? Triumph say 43 teeth is standard.

If that has been done, then is it acceptable to drop 2/3 links from the chain ?? It will be mean a new soft link and more use from my splitter/rivetter ... (you need a grip like king kong .....)

ClassiclyMobile

A smaller rear sprocket decreases RPMs at a given speed, and yes, a higher top speed. Taking out one pair of links should make the difference you need.