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Discussion Starter #1
I now have about 250Km (150 miles) on my newly purchased Burgman and this jerky motion at steady speeds (anywhere from 30 km/hr and up) seems to be getting worse. I attributed the first little bit to being a new bike but tonite after a little 10 mile spin, I suspect there's something amiss. This can't be normal....

Also I cleaned the rear wheel before leaving and checked it again when i got home. Covered in black clutch dust. Is that normal? The bike seems to accelerate ok and letting off the throttle does not produce this jerkiness.

Dealer meeting?
 

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Yes the dust is normal but may be worse for the first few hundred miles as everything settles in. The jerkiness is not normal. This may be something as simple as a loose spark plug cap. But go to your dealer and tell them. They will sort it out for you. Oh...just one thing to be aware of. Make sure you allow the bike's computer to fully boot before you press the starter button. Allow the needles to swing around the dials and settle back at zero before starting otherwise this too may encourage uneven running as the ecu loads default engine settings rather than the actual settings the bike requires. This can also cause the engine to stall.

And congrats on the bike, you won't regret it.
 

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This is not normal. Take to the dealer and have it looked at.

You might check the battery connections. Maybe they did not install it properly when they assembled the bike at the dealership.
 

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...and are you riding with parking brake applied?

It will be brake dust on your rear wheel by the way, the clutch is internal and wetted by oil.
 

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Have you checked air pressure in the tires
 

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Are we talking about the 650 or the 400 NormanB?

Bill
 

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Discussion Starter #7
...and are you riding with parking brake applied?
You're kidding, right?

It will be brake dust on your rear wheel by the way, the clutch is internal and wetted by oil.
Ok, I'm using the front AND rear brakes coming to a stop but I didn't think THAT much dust could come from a little 10 mile stint. But ok. I really havent used the rear brake on my previous bikes due to an injury years ago.

And I thought the 400 had a dry clutch?
 

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Discussion Starter #8
Have you checked air pressure in the tires
Not sure how that relates to a jerky motion but yep, yesterday in fact. Now in the manual it states 29 psi for the rear and 25 psi for the front. I found 40 psi and 37 psi. Hmmm.

So I put the rear at 28 psi and the front at 24 psi. Should I raise those a bit?

Sorry to get off topic.....
 

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Discussion Starter #9
I had a mechanic at the dealer test ride it today and I have no idea how he didn't experience anything out of the normal but whatever....I will continue to break it in (he recommended this due to Suzuki will ask the kms on this bike and will just laugh if he says only 250. Maybe clutch/even belt glaze? but needs to be broken in before I book it in with any concerns.

Oh well, I'll just ride it and see what happens.
 

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...and are you riding with parking brake applied?

It will be brake dust on your rear wheel by the way, the clutch is internal and wetted by oil.
Yeah norm it's the 400 he is talking about so it's clutch/transmission dust. Brake dust is minimal on these 400 but the fan really does blow belt and clutch dust everywhere over that rear wheel, especially to start with when the clutch pads are soft and not hardened.
 

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I now have about 250Km (150 miles) on my newly purchased Burgman and this jerky motion at steady speeds (anywhere from 30 km/hr and up) seems to be getting worse. I attributed the first little bit to being a new bike but tonite after a little 10 mile spin, I suspect there's something amiss. This can't be normal....

Also I cleaned the rear wheel before leaving and checked it again when i got home. Covered in black clutch dust. Is that normal? The bike seems to accelerate ok and letting off the throttle does not produce this jerkiness.

Dealer meeting?
I experienced slightly similar thing of what you've described, it all went away after the break in, after the break in, came back few times when i rode it for long trips at 62MPH constant, now i've put about 1500 miles on it and works smoothly.
 

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still wouldn't hurt to get it up on the center stand and see if the rear whee rotates freely, I agree with norman b the parking brake could be dragging and causing belt dust and the lugging sensation as the tranny is searching all the time
 

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my bad - sorry - sorry I did not hoist in that is was a 400. Quite unforgivable.
 

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Discussion Starter #15
still wouldn't hurt to get it up on the center stand and see if the rear whee rotates freely, I agree with norman b the parking brake could be dragging and causing belt dust and the lugging sensation as the tranny is searching all the time
Yep wheel spins freely on center stand.....no drag. When the engine drops to 2200 rpm, the bike freewheels the remainder of the way.
 
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