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August 15th, 2007, 08:58 AM   #11
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RE: Re: RE: Re: RE: How about a "SuperDuty" 650 fo

ken

you can call me old fashioned but i'm still a believer in OEM equipmwnt being better than super modifeid job by one of enzo's 'garagisti!' there is so much more to an engine that the crank assembly and sidecarcross is a short duration sport so i remain unconvinced!

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August 15th, 2007, 11:05 AM   #12
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RE: Re: RE: Re: RE: How about a "SuperDuty" 650 fo

Isn't part of the fun of riding Husaberg's, spending hours taking every possible precaution, building it under sterile conditions,buying only the best quality specially imported parts, using only the top grade lubes, wrapping it up warm at night plugging in the charger, defending it against the orange bully boys, so that it can go bang and destroy itself for no other reason than it does........

But after all is said and done having a bike that looks as good as a Berg especially the 750 in the picture does it for me every time.
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August 16th, 2007, 12:58 AM   #13
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Just thought I'd reinforce the fact that I was talking about using SOME of the components of the JBS Kit, excluding the long rod and sleeve, maintaining a displacement of 650.

From what I read about the JBS Kit, it alleviates a lot of the probs - rod flex, crank deflection, peak running temp etc - these are some of the things that I would look for in a long haul, high output conversion.

Azza.
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August 16th, 2007, 01:58 AM   #14
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Re: RE: Re: RE: How about a "SuperDuty" 650 for th

Originally Posted by PowerCell
Lowered compression from 12.5 to 9.5:1. Removal of the "questionable" counter balancer, etc...
That's two things on my list you've knocked on the head

The other would be to modify the valve train to reduce loading, including valve springs.

All the best,
Simon
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August 16th, 2007, 04:36 AM   #15
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RE: Re: RE: Re: RE: How about a "SuperDuty" 650 fo

what are the costs to do this so called longgevity mod and is there any proof of how many hours or kms this bike has done???
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August 16th, 2007, 08:31 AM   #16
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Originally Posted by awilksch
Just thought I'd reinforce the fact that I was talking about using SOME of the components of the JBS Kit, excluding the long rod and sleeve, maintaining a displacement of 650.

From what I read about the JBS Kit, it alleviates a lot of the probs - rod flex, crank deflection, peak running temp etc - these are some of the things that I would look for in a long haul, high output conversion.

Azza.
I talked to Ben about this a couple of years ago. I thought there might be a market for an upgraded crank assembly. But he's really most interested in sidehack racing, and that's where he puts his energy...
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August 16th, 2007, 08:33 AM   #17
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Re: RE: Re: RE: How about a "SuperDuty" 650 for th

Originally Posted by Simon
The other would be to modify the valve train to reduce loading, including valve springs.

Valve loading is really only a problem at higher RPM's. With the long stroke motor, those issues tend to take care of themselves.
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August 16th, 2007, 08:41 AM   #18
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Re: RE: Re: RE: Re: RE: How about a "SuperDuty" 65

Originally Posted by faktor
what are the costs to do this so called longgevity mod and is there any proof of how many hours or kms this bike has done???

There's a significant difference between the original kit which uses a packer between the head and block, as opposed to the new kit which is in development. I like the idea of a 3-ring piston, which I believe is being reduced to a 2-ring (like stock) piston in order to eleminate the need for a packer.

On the other hand, when you use the packer, your engine ends up being ~15mm taller, which requires modifications to the radiator and carb mounting. You don't appreciate how compact everything is on the Husabergs until you start looking for an additional 15mm of vertical room...

The original kit costs about $2500 US, plus shipping. Weither you choose to install it yourself, or have a shop do it for you, will determine the final price.
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August 17th, 2007, 02:20 AM   #19
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RE: Re: RE: Re: RE: Re: RE: How about a "SuperDuty"

the problem on the 650 is detonating as lineweaver metioned so how is this addressed? No one has mentioned this?
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August 17th, 2007, 03:04 AM   #20
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RE: Re: RE: Re: RE: Re: RE: How about a "SuperDuty"

Faktor, The JBS kit lowers the CR to 9.5 to 1
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