Joined Jun 2007
4K Posts | 1K+
south east WA Australia
2004-2006 650 engine differences?
- Thread starter canolman
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- 650 differences engine
Joined Oct 2003
955 Posts | 1K+
Sweden
A "kit"! What's a "kit"? Oh, you mean when you lay all the parts you have manufactured together in a carton box?JBS not doing the '700' kit now!No idea what piston/liner spec I need, studs, head gasket?
Can't find any other kits out there even on the standard liner! Bugger!
Joined Jun 2007
4K Posts | 1K+
south east WA Australia
you can organise a "UHE peoples kit" for about half the price JBS used to sell the "700 kits" for
JE or CP piston, iron liner, ARP headstuds, composite or copper head gasket and if we are lucky a special Dr_C racing carton box made form recycled aluminum pillow stuffing,
we could have a separate thread listing the different options canolman.. my 105mm piston is cracked and on the way out so its time for sure.
I have the liner modeled and there are a few places willing to make them so we just need a few numbers for the piston ?
JE or CP piston, iron liner, ARP headstuds, composite or copper head gasket and if we are lucky a special Dr_C racing carton box made form recycled aluminum pillow stuffing,
we could have a separate thread listing the different options canolman.. my 105mm piston is cracked and on the way out so its time for sure.
I have the liner modeled and there are a few places willing to make them so we just need a few numbers for the piston ?
I have a spare 04 engine and have run it in my 07 and I couldnt pick much difference maybe a bit more grunt ??? torque it was a 600km ride and it started to get noisy so I shut it down a bit, loose primary drive nut I think.Many thanks,
Next question; 644 v 628, which is the better motor power and torque-wise? Is the 628 a little more revvy?
Joined Jun 2007
4K Posts | 1K+
south east WA Australia
Hi, does anyone knows the dish volume of the elko 650 piston? The dish volume from the 570 piston is -10.5 cm. I was wondering iifthe 570 piston could raise the cr a little bit...
Joined Jun 2007
4K Posts | 1K+
south east WA Australia
Hi, this is the main problem of the '04 crankcases. This happend to me, the mechanic said this happens because the clearance isn't right and the bearing tend to move under load. I was wondering what if we could add a screw to lock the main bearing from moving. This problem is fixed with the '05-'08 crancases.
Joined Jun 2007
4K Posts | 1K+
south east WA Australia
not sure if this is posted in the right thread Johny ?
i tried locking the bearings mechanically like the factory did with a countersunk screw tapped into the cases on the RHS and with a bracket on the LHS its not really a solution as the crank eventually pulls the bearings inward more than 1mm with great force
if you made a circular steel retaining ring like Hondas use and modified the crank and cases to allow some room for it then you might have success
i tried locking the bearings mechanically like the factory did with a countersunk screw tapped into the cases on the RHS and with a bracket on the LHS its not really a solution as the crank eventually pulls the bearings inward more than 1mm with great force
if you made a circular steel retaining ring like Hondas use and modified the crank and cases to allow some room for it then you might have success
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