Newbie to XJ Forum 83 SECA 750

Hey all!! I am new to this forum..

I'm from Antigonish, Nova Scotia, Canada.

I have a 1983 Yamaha SECA 750 with 69,000kms on it now.

I need to get my cam chain replaced. Very rattley.

Any recommendations on where I should buy parts?

I found a chain on ebay for $25US.

Also any recommendation on mechanics in this province?

Hope to meet with some of you riders!

CHEERS!! PRAISE THE XJ!

[img=http://img48.imageshack.us/img48/358/1001307uq0.jpg]
[img=http://img255.imageshack.us/img255/7505/1001308pu6.jpg]

 

Welcome!

Have a read through this thread. It sounds like maybe your tensioner could use a little adjusting...

If not, maybe this thread may help you seek enlightenment.

 

69,000Km's = 42,875mi's

69K is under the normal 90 - 98K expected service limit.
Review the process for manually adjusting the Cam Chain tensioner.

I'd give manually adjusting your Cam Chain Tensioner a try. If the tensioner takes-up the slack, you'll be OK for a bit longer.

If after you try the adjustment and there is no improvement and the Chain needs to be replaced ...

Or ...

If you wish to have the chain re-newed as prevention ... I'm having a Detailed set of instructions edited by a Factory Trained Technician. Those instructions have not been returned to me just yet.

 

I've run 80K miles and still don't have any chain rattle so I'm going to vote it isn't a new chain you need. Check your chain tensioner, it might just need adjustment.

 

Thanks for the info guys. Last summer i pulled my valve cover off..

You could clearly see the chain was rubbing the top of the valve cover.

So i pulled the tensioner out. Someone told me you could jam a screwdriver in on the bolt side and try to push the tensioner out a click or 2.. is this true?? i tried that and no clicks.. not adjustment.

So I put it all back together and kept riding that summer. I read some of those threads..

The whole turning the engine clockwise then counter definitly do the trick??

Also if i was to tackle a new chain.. the method of attaching the new to the old then feed it through sounds very straight forward. Would one change any guides? or just change the tensioner.

So far thanks for the info.. you guys have been a great help so far.

cheers. 8)

 

No ... sticking a screwdriver in and forcing it out is not a good idea.

The Auto Tensioner might be pushed-out too far and it's design prevents it from retracting. You might pust it out too far and cause too much tension that would effect the sprockets or cause the chain to break.

 

Damn - another person from Nova Scotia. We're well represented here!

 

OK well then tensioner must be at its end because the screw driver method did nothing. Chain is still very slack. How long are these chains suppose to last? Many of you are saying that it is still not time to replace it.


Woot! Hells ya! Hit me up sometime for tours around CB.

 

You maw want to take the tensioner off the bike and clean it up a bit on the inside. They have been known to get cloged up with pooh so they wont adjust anymore. There is a explanation on how to do this here somewhere. Check the search function for cam tensioner.

 

The Tensioner itself is uncomplicated. There's basically two moving parts. The Plunger and the Locking "Catch"

Once you are certain that the whole assembly is clean and the Plunger is free to move OUT and Not back-in ... it's fixed.

If the Gasket is undamaged; treat it with sealant that will prevent an oil leak.
There's a whole Niagra Falls of hot oil behind that gasket. Seal it up tight.

 

Great tip, i'll clean it up once this snow clears up. Surprise a little white outside.