Dunno, but it just seems to. Could be a power thing, it does make more power than anything else in the class. Could be a result of the extra dollop of vibes. Could be a result of the spirited riding it encourages.
For me, chain & sprockets run at about half the price of tyres, slightly more expensive per km than oil & filters. Who'da thunk it??
Cheers,
Colin
Originally Posted by Steve McQueen
Looks like my DR650 using the scotty will be due for next chain/sprockets soon.
Last set (I assume that was the end of the original stuff) was changed at 32000km 75% ridden by previous owner, no scotty for most of that chain.
There's now 30338km on the current set and are starting to need frequent adjustment. Already swapped the front sprocket once or twice, can't remember exactly.
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I have a suspicion that the 640 hammers chains and sprockets due to the way it delivers its power. Lots of torque, even really low down. Encourages aggressive clutch use too, if you know what I mean.
I cannot compare it to other large trailies, as I have not owned many, and none in the same class as the 640, but have had quite a few four cylinder road machines, and they do not deliver the serious torque until higher up the revs.
This is a more even delivery of power to in my mind as well. Less "Hammering".
YMMV. All seat of the pants observations, and I don't have the good data that Colin has. Makes me think I should make the effort too. But somehow I just keep wanting to ride it when these thoughts come to mind.
Also my experience of a scott oiler is similar. Great when things are clean. Bad to really bad when things get dirty.
The 640's OEM gear includes an alloy rear sprocket; I managed 6,400km from the set.. The next set was 2x Chain Gang fronts and 1x Chain Gang rear (still going strong) with a top of the range RK GXW chain = 16,700km. The current set is KTM steel sprockets (2x fronts so far) and an RK XSO mid-range chain. At 12,000km it is already cheaper per km than the more expensive setup, dunno how much longer it will last. (Chain Gang rears may be better value than the KTM steel, I haven't worn out a Chain Gang yet.)
One would hope I already have 'worst case scenario' and the auto luber can only improve things. And/or can I 'prove' that in snotty conditions, it doesn't matter what you do, the drive train is gonna cop a thrashing. I kinda think I've already done that, as my chain is not neglected by any stretch of the imagination.
Cheers,
Colin
Originally Posted by Steve McQueen
The problem with Scott oilers is inconsistency in manufacturing.
Read the bottle on the lighter oil-"for warm climates or faster flowing oilers".
I have heard of Scotts that could not be turned down low enough.
That is why I designed my own system,with a wide enough control range that I could use my own brew of lubricant and although I started with a drip feed I now use a brush or wiper delivery system that covers the whole width of the chain.
I've now done close to 100,000km on the original chain on a hard ridden 1200 bandit. Only adjusted the chain 5 times .Chain is at <20% of it's wear,But I'll replace it at 100,000 for piece of mind.
I'm $1200 ahead in chain and sprocket expences.
I use a "slofox oiler" myself...get down and squirt it with the aerosol can. Regularly. 30,000km so far and all good...
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Not quite. In mud, as you say, running gear just gets a thrashing. In sand, I find it best to turn the oiler off. Particularly with fine sand, the oil just seems to make the sand (AKA grinding powder) into an oily grinding paste, and actually makes things worse. Dry, the sand falls off, but the oil just makes it stick, and if the oiler is going to the right place to lube the chain, it is also the worst place to add grinding paste. This is the worst case!
In mud it makes pretty much no difference, and when everything is clean, the oilers work really well. About 10k out of a DID 520 sealed chain, alloy rear and steel front on the 640. Or maybe one and a half fronts. I run a 16, but swap to a 15 quite a bit.
Just my experience.
On balance, I still like the oiler for most situations, and especially on a road bike. Or maybe one and a half fronts. I run a 16 most of the time, but swap to a 15 quite a bit.
Last edited by rogerh; 23rd November 2009 at 19:07. Reason: oops.
I had an issue with mine when it was new - dripping when the engine was off and overlubing - was a problem with the dosing unit - fixed and now its fine. I run it almost at minimum on the red oil even in the winter here. I don't get any fling and can just see a thin coat of oil on the chain. Needs cranking up in the wet weather though. Very handy on a commuter bike.
I love the smell of twin V16's in the morning..
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