berg goes BANG
- Thread starter whosahberg
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i removed the balancer john but decided later to put it back in. there was a lot of vibration at low revs in first and second gear type stuff. i simply rebuilt using the shoulder of the spacer. this is ok for the 400.
people think you gain a lot of power removing it but infact the engine saves 1/4hp and loses all of it due to the vibration of the engine. vibration robs power!!!!
regards
Taffy
people think you gain a lot of power removing it but infact the engine saves 1/4hp and loses all of it due to the vibration of the engine. vibration robs power!!!!
regards
Taffy
one of the golden rules with this motor is to replace the counterbalancer assembly or remove it at the time of rebuild.this is a trap for any mechanic who has not had enough experience into what should be replaced when rebuilding a berg motor.
i've heard this happening a few times now.
there is no use spending $1000 + dollars on a rebuild then to have the counterbalancer bearing/s go and wreak the piston/liner/big end/mains and have to spend all that money again.
taffy, i think this needs to be stated somewhere in the owners doc before too many other people are caught out.
the price of this counter balancer assy was ridiculous about $950 aust but needs to be replaced or else...
..weed..
i've heard this happening a few times now.
there is no use spending $1000 + dollars on a rebuild then to have the counterbalancer bearing/s go and wreak the piston/liner/big end/mains and have to spend all that money again.
taffy, i think this needs to be stated somewhere in the owners doc before too many other people are caught out.
the price of this counter balancer assy was ridiculous about $950 aust but needs to be replaced or else...
..weed..
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popup said:
looks like i found out the hard way ... in some ways LOL !!! and in some ways
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popup said:
Paid 225 Euros for the double row single bearing balancer from enginehardware.se
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johnpan said:
Apparantly the balancer spins at twice the rpm of the crank wich put's a lot of stress on the bearings.
The (2006 or 2007???) newer balancers have a single bearing with two rows of balls.
look at this thread http://www.husaberg.org/index.php?name=PNphpBB2&file=viewtopic&t=5215&highlight=counter+balancer
Got mine from www.enginehardware.se , my contact person there was Thomas and he has helped me a lot, gave me lot's of tips, I greatly recommend them!
This is all you need to update the balancer assembly, if it is all you engine needs, I can't tell offcourse, check the Owner's Doc, there is a lot of info there on how to improve the older engines and update them with better parts form +04
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kez said:
I could be mistaken but am pretty sure I am not, but I am sure that more knowledgable people on this forum will set me straight if I'm wrong.
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kez said:
Yes you see taffy has it all right,there is no differece in speed do to the same # of teeth
on water shaft & balancer.Oh, kez no they could not come together even if one did
spin faster as they spin along side one another unlike the earlier version that spun
between the cheeks if you will.
on water shaft & balancer.Oh, kez no they could not come together even if one did
spin faster as they spin along side one another unlike the earlier version that spun
between the cheeks if you will.
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the crank gear outside the cases spins the clutch gear which spins the lower camchain sprocket gear. this gear sits over the crank gear and it's these two we align the single and double dots on.
on the inside of the cases behind the camchain gear is another gear that this time IS IS IS connected down to the crank BUT BUT not how you think. the gear turns a gear on the end of the crank. this gear on the crank is mounted on a ball-race bearing. it is the counter-balancer!
so to recap:
three gears outside the case
two inside the case
this means the c/b is now turning in the opposite direction. and due to the gearing of the teeth (amount) it is running at the same speed as the crank. maybe someone would like to put up a couple of photos and show some arrows of direction?
kelsow?
regards
Taffy
on the inside of the cases behind the camchain gear is another gear that this time IS IS IS connected down to the crank BUT BUT not how you think. the gear turns a gear on the end of the crank. this gear on the crank is mounted on a ball-race bearing. it is the counter-balancer!
so to recap:
three gears outside the case
two inside the case
this means the c/b is now turning in the opposite direction. and due to the gearing of the teeth (amount) it is running at the same speed as the crank. maybe someone would like to put up a couple of photos and show some arrows of direction?
kelsow?
regards
Taffy
ok in defence of the twice speed counter balancer, they spin same speed but opposite directions would that mean the bearing is spinning twice the speed because the centre of bearing is going same way as the crankshaft and the outer is going same way as c/b, both inner and outer of bearing are both being driven rather than, say the crank bearings when only the inner is spinning?
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