500 engine: excessive wear on cam & cam buckets

[Laverdaton]

Anyone know where I can get some standard cams re-profiled and cam buckets re-machined?
Both items are showing signs of poor lubrication.
Thanks,
Andy

 

[jotajoe]

Keith Nairn in Scotland ?
joe

 

[piranha-bro2]

First thing I'd do would be source the probs with lubrication.
QF

 

[HansL]

just finished my Monty engine, which had the same problem.
Camshafts, buckets and bearing destroyed.
In my case it seemed thatsome o-rings had blocked the oil flow.
Got new cams from Phil and the other parts from Gijs.

Would like to get more oil pumped. Does anyone have an oilpump from a Zane bike available?

Hans

 

[Tom Eatman]

Use an oil pump from the Atlas.

Tom

 

[Robin Webster]

Same thing happened to my race engine last year.

Robin.  :'(

 

[moalboal]

Have a look at this oil pump thread (if you haven't seen it already). Piet posted the gearings, ratios and flow rates for some of the Laverda oil pumps which are quite interesting.

http://www.laverdaforum.com/forum/index.php/topic,86389.0.html

Executive summary: easiest upgrade is the Altas pump which flows ~30% more than stock, best (perhaps) is an RGS pump - flowing ~300% of stock! - but that needs modification to the pump and the crankcase so it's definitely not simple!

 

[HansL]

My engine is from a series 2 Formula, which should have the same pump as the Atlas.
Gijs recently showed me crankcases with a Zane pump. The only modification he had to make, was the position of one of the four bolts.

Very interesting indeed, Piets post about ratios and flow rates.

Hans

 

[Paul Marx]

I wonder what sort of pump is in my racer? (says he anxiously)
Paul