Grinding noize on over run

Please don't take offence Andy, none was intended. I appreciate all the help you have given us motorcyclists, and Laverda owners in particular.

I was just saying that the side plates look parallel to me. I could easily be wrong, which is why I said "one of us" needs new glasses. The likelihood is that it's me who needs them. Is the waisting of the links a tricky thing to spot?


 
For me, the plates on the links in the top run certainly do look waisted, those at the rear of the clutch drum look parallel.  A simple optical illusion.

piet
 
I've looked closely 4 times just to make sure I am wrong, perhaps I've never been wasted enough to tell whether they were waisted or not, but to my eye they are not.

PS How are things going Andy? Good to see you back.
 
Davo said:
I've looked closely 4 times just to make sure I am wrong, perhaps I've never been wasted enough to tell whether they were waisted or not, but to my eye they are not.
Click to expand...

Don't worry Davo, it's taking rivet (pardon pun) counting to the nth degree. I'll have a bottle of red tonight and see if I can see any change, but I'm with you.

BTW, love the clutch bolt head positions at 9, 10:30 and 12 o'clock ............ the others annoy me. But that's just my OCD.  :D
 
No offence taken just a small gate.

Love the Laverda lads and was disappointed there was no padfest. Even got a new caravan
for it.

Andy

PS  Anybody staying at the Holiday Inn express the chinese opposite is good.
 
Just got my magnifier on that chain and it is very slightly waisted.

Any body that has bought a Renold recently will notice that the pltes
are very different to the "old" Renold.

Going for a lie down now.

Andy

See you all at Stafford
 
Close up of the primary chain supplied by Wolfgang



On a side note I found this cheap hydraulic scissor lift table, rated at 300 lbs great for transferring a motor off the bench and up into the bike, sure saved my back



Being able to hang the bike from above makes for unobstructed access



Position the table



And up and in it goes

 
No bottom frame rails is a bonus when installing engines! Discovered that when working on bevel Ducatis.

Canuck, your close-up photo shows a few little dings to the edge of the primary cover mating surface. You might want to smooth them off with a scraper or a fine flat (bastard) file before installing the cover, just to reduce the possibility of any oil leaks.
The gasket will more than likely seal OK as it is, but why make its task any harder than it needs to be?
 
Dellortoman said:
No bottom frame rails is a bonus when installing engines! Discovered that when working on bevel Ducatis.

Canuck, your close-up photo shows a few little dings to the edge of the primary cover mating surface. You might want to smooth them off with a scraper or a fine flat (bastard) file before installing the cover, just to reduce the possibility of any oil leaks.
The gasket will more than likely seal OK as it is, but why make its task any harder than it needs to be?
Click to expand...

Well picked up Cam, I was too busy looking at out of true bolt heads. I wonder what made those marks?
 
Dellortoman said:
No bottom frame rails is a bonus when installing engines! Discovered that when working on bevel Ducatis.

Canuck, your close-up photo shows a few little dings to the edge of the primary cover mating surface. You might want to smooth them off with a scraper or a fine flat (bastard) file before installing the cover, just to reduce the possibility of any oil leaks.
The gasket will more than likely seal OK as it is, but why make its task any harder than it needs to be?
Click to expand...

I ran a flat file over the case surfaces, paying attention to the mating joints where there was a noticeable ridge.
 
Canuck750 said:
I ran a flat file over the case surfaces, paying attention to the mating joints where there was a noticeable ridge.
Click to expand...

Should have been part of the preparation prior to blasting... ::)

Oil stone is far safer than a file, deburring the threads with a countersink (by hand!) is quick and neat.  Old cases usually show signs of strained threads at the gasket surfaces.

piet
 
"DID 989 JAPAN" on side plates?

Not sure about the numbers. Second digit 6 or 8, third 8 or 9.

Is that a suitable triplex chain to this use?
 
Should be 06B-3.

DID is not a bad chain.

The problem with triplex is it has a small pin, 3.31, and the middle plates are a slide
allowing the pins to flex.

The Merc chain has a shorter larger pin, 4.41, and the middle plate is a press fit. Short
fat pin supported so no flex. Also the pin material is chromised steel, as used in automotive
product.

Up to you what you use but the Merc chains are working well for 16 odd years and I have
heard of no problems. I do know of several failures of triplex.

Andy
 
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