Slow weave has me stumped

**FROSTY:Me** · 21st March 2008, 21:35

1996 YZF600 weave

Bringing my new toy home today I "noticed" a relatively gentle weave from about 5 degrees left to 5 degrees right riding in a straight line.
leaned over its less noticeable but still there.
Wheel apears to be straight,tyre is a dunlop that looks to be in good condition. bearings are fine and theres no "flutter" in the brakes/brake lever.
What does the KB brains trust think?

**Ixion** · 21st March 2008, 21:43

What spped? I had a slow weave issue on von Klunken , that manifested at about 130kph (from memory). Everything looked fine, tyres looked good , all good. Stilla slow weave. Not frightening, not control threatening, set in fairly abruptly, didn't get worse with higher speed. Just weaved over the lane.

Went away like magic when I fitted a new, different rear tyre. You don't have Metzlers fitted by any chance ?

Anyway, I'd suspect the tyres. Maybe not BAD tyres, just the bike doesn't like them.

On the other hand I had a pronounced weave on Petal a while ago, to the extent that it took all by trying to keep her in one lane. Turned out to be 24 spokes broken in the rear wheel. How are your spokes ?

**cowpoos** · 21st March 2008, 21:43

stop nodding your head while riding?

**Subike** · 21st March 2008, 21:45

your riding the join in the ashpalt, or shingle tar join.
Its just the wheel following the road.
I got this and wondered what it was for a while.
You tyres climbing up and down the "edge" of the road makers join in the road surface.
Thats my answer anyway

**FJRider** · 21st March 2008, 21:46

leaning into the wind ????

**xwhatsit** · 21st March 2008, 21:47

Originally Posted by Ixion

On the other hand I had a pronounced weave on Petal a while ago, to the extent that it took all by trying to keep her in one lane. Turned out to be 24 spokes broken in the rear wheel. How are your spokes ?

YZF600s only have three spokes on each wheel, and they're not the sort that you can break or tighten

I put a new front on my little bike, stopped a hands-off wobble that occured around 50kph, and the occasional slow weave that set in exactly at 105kph. Always controllable, always slow, but exactly at 105kph. Close the throttle then open it again and it'd stop, or keep going to 115kph and it'd stop (or back off below 105kph). Anyway, gone with a new front.

**Ixion** · 21st March 2008, 21:48

Originally Posted by xerxesdaphat

YZF600s only have three spokes on each wheel, and they're not the sort that you can break or tighten

...

Give it to me. I'll break them .

**FROSTY:Me** · 21st March 2008, 21:55

Originally Posted by Ixion

What spped? I had a slow weave issue on von Klunken , that manifested at about 130kph (from memory). Everything looked fine, tyres looked good , all good. Stilla slow weave. Not frightening, not control threatening, set in fairly abruptly, didn't get worse with higher speed. Just weaved over the lane. Went away like magic when I fitted a new, different rear tyre. You don't have Metzlers fitted by any chance ? Anyway, I'd suspect the tyres. Maybe not BAD tyres, just the bike doesn't like them.

Originally Posted by Subike

your riding the join in the ashpalt, or shingle tar join.
Its just the wheel following the road.
I got this and wondered what it was for a while.
You tyres climbing up and down the "edge" of the road makers join in the road surface.
Thats my answer anyway

Nope dunlopd and in pretty good condition
Nope--I've just done 250km on it so its fair tosay Im not riding the tar snake the whole way

**Ixion** · 21st March 2008, 21:58

Mine was in good nick too, annoying since I had to put up with it until I wore out the tire. Just didn't like that tyre for some reaons.

But, what speed? A weave at 40 kph is probably a different cause than a weave at 200kph.

**Ocean1** · 21st March 2008, 22:18

loose front guard?
Had it once, it was bending one way and making like a rudder, then back t'other way etc.

**FROSTY:Me** · 21st March 2008, 22:20

Originally Posted by Ixion

Mine was in good nick too, annoying since I had to put up with it until I wore out the tire. Just didn't like that tyre for some reaons.

But, what speed? A weave at 40 kph is probably a different cause than a weave at 200kph.

now Thats the weird thing-it seems to be there from 20km/h right on up to 100km/h

**speights_bud** · 21st March 2008, 22:34

Check that the rear axle adustment has been taken up evenly on both sides maybe, I've also noticed recently when following some other bikers through town that their rims are running what look to be nice and true but the tyre is running out, as in its running concentric with the rim but appears to 'wiggle' side to side when seen from behind.

i've come across this once when riding a bike that had a buggered rear shock and light front end... but i'd say your's would be in much better nick than that heap... that bike used to weave alot mid corner, i put it down to poor suspension setup