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+--- Forum: Hayabusa Tyres, Wheels & Suspension (https://www.australian-hayabusa-club.com/MyBB/forumdisplay.php?fid=7)
+--- Thread: Mixing Front and Back (/showthread.php?tid=2004)
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Mixing Front and Back - ressac - 24-05-2006
This is not an invite DJ! This is about what happens if you mix front and rear rubber. I've got a very sick busa thant is handling like there's a water tank strapped to the back, at speed, and feels like the front wheel is about to fall off when slow (below 70 kph). Currently running, not by design, a viper front and dunlop rear. The dunlop is the latest heap of crap replacement for the D208. Does anyone have any musings or anecdotes of really dodgy handling caused by mixmatched tyres? -385-
XOCET<i></i>
Re: Mixing Front and Back - kawasuki - 26-05-2006
Of course tyre makers say dont,but here must be some truth in what they say, I have just fitted Pirelli Corsa to my bike ,first time on these. Cheers,
Kawasuki<i></i>
Re: Mixing Front and Back - pan - 26-05-2006
I was told the front needs to be a softer compound than the back, because if you are going to slip, you want it to be the back.
Have you aligned the wheels recently?
"sometimes crime does pay"<i></i>
Re: Mixing Front and Back - Max - 27-05-2006
Hey Nutsack,
why don't you bring it over one night this week after 5.30 and we'll throw a line over it to see what's going on?
I'm running Diablo Corsa's and am pretty impressed with them, not as good as the Vipers but there is a naming pissing competition going on and not able to get Vipers for the time being. Did manage the Corsa's for $399 the pair fitted. Good price.
Max
Aussie Rocks Madmax - GSX1300R Black and Blue Buses Rule
Good Bike, Good Woman, Good Road, Good Weather, Good God - Good Bye!
Smith and Wesson - The original point and click interface.
Some people are alive only because it's illegal to kill them.
<i></i>
Re: Mixing Front and Back - BUSGO - 27-05-2006
When I had my Triumph Sprint 955, I used to use a Pilot Road, 36lb, on the front and a Bridgy 020, 38lb, on the rear and it was a terrific combo.
I averaged 15,000 out of a set and NEVER had any issues with grip on the road.
Rgds BUSGO
"TAKE MY ADVICE"
I'm not using it anyway!<i></i>
Re: Mixing Front and Back - ressac - 31-05-2006
$399 fitted? Good job! I only managed $550 at TJs. Must be the badge!
Had the bike in at Laurie's "Smiths Suspension" in Fyshwick. He looked over it and couldn't find anything wrong, except the tyres. He serviced the rear shock and didn't find anything abnormal other than worn oil, ie. discoloured. The bike still wallows a bit at high speed. I'm wondering whether I'm fixated on a problem that wasn't really there, other than the mixed tyres.
The rear was a bit out as well, but that's running true now. I can't help but think the front forks are stuffed or there is a major structural problem. But that doesn't really occur unless you drop it. Anyone want to buy a K3 busa? -385-
XOCET<i></i>
Re: Mixing Front and Back - spamanglenn - 31-05-2006
spring and ohlins valve the front and stick a decent shock on the rear.Dont listen to those that say revalving the standard shock is fine,thats bullshit.It won,t even be half as good as an aftermarket shock.The difference between a revalved standard shock and a aftermarket shock on my vfr was 4 second a lap,with more control.trust me it will be a different bike,then your tyres will feel much better.Stick to matched sets though,i had a 200,020 rear and a 014 front and it felt horrible.I put supercorsas with a 180 rear and it totally changed the feel. Glenn the Spa Man<i></i>
Re: Mixing Front and Back - BEAR - 31-05-2006
Well, I put my front wheel in back to front (dickhead) running Pirelli Diablo Corsas and I swear it turned in faster, so I guess if the constuction of the tyres is that critical it could be significant with different brands. Mind you, the symptons decribed are pretty severe which might mean further problems. <i></i>
Re: Mixing Front and Back - kawasuki - 31-05-2006
Bear as long as you dont put the front on the back and back on the front things should be OK.. Cheers,
Kawasuki<i></i>
Re: Mixing Front and Back - BEAR - 01-06-2006
Good one, but one thing I also found out is that the front disc carriers also can go on the wheel hubs both ways and it offsets the disc by a few poofteenths of a mm and that causes brake drag. The wheel still goes in but not as easy as it should.
But front to back I haven't tried yet. keep watching! <i></i>
Laurie - Heidi1 - 01-06-2006
What did you think of Laurie? I had work done by him years ago and found him to be a pretty honest kind of chap. <i></i>
Mix all the time... - Throwdown - 01-06-2006
I have different brands on back and front 95% of the time - always a soft one up front. Currently have a diablo up front and a...oh, dunno what's on the back. Got a Michelin on the spare rear wheel, but the one bike is something else. - get my tyres from wreckers.
If mixing is going to be a problem, I would say more likely in the wet - the manufacturers say the tread on matching tyres is designed to disperse water better.
I had one of those fancy Dunlops - NO GRIP WHATSOEVER until warm. Bike got stranded at the bottom of the slope to my house, as couldn't grip on leaves and grass. <i></i>
Re: Mix all the time... - spamanglenn - 02-06-2006
I suppose theres a few things to consider when not running matched tyres.How hard you ride and whether your happy with the feel of the bike with the tyres you have on.All tyres vary by construction,profile and compound.Some help your bikes weaknesses and some amplify them.Whatever suits your bike and your type of riding.I changed a pirelli supercorsa to a pilot power front and nearly fell off on the first turn.The different profile had that much affect on the bike. Glenn the Spa Man<i></i>
Re: Mix all the time... - rev 01 - 02-06-2006
$399 for a SET of Diablo Corsa's f
Just the rear alone will set you back (RRP) $335 down here in Mel. <i></i>
Re: Mix all the time... - ressac - 06-06-2006
Still no info on how that transpired either Rev.... may I reiterate
As for Laurie, he was pretty good. He didn't find anything wrong with the shock. The Corsas I've put on got rid of the low speed tip over sensation, but the high speed instability is still there. Either I'm fixated or the problem still exists. I think after 43k the front forks can have a re-spring and re-valve. I'm going to hit Laurie up for another crack at the suspension and get some stronger springs put in (re-valved to suit). That should get rid of the $400 I've got left in my account and have me on water and crackers for a couple of weeks. -385-
XOCET<i></i>