Replacement tires for HP4

[Jackson]

I asked my dealer if the 190/55-17 would cause issues with traction control and warranty. He asked BMW and they said the 190 would be o.k to use, I'll make sure I get that in writing, but it's Road 3's for me and the spring.

[@Win]

Originally Posted by Rush66crp

Michelin is offering the Power Cup in 200/55

These are tires super, relatively cheap and last longer than the Pirelli Diablo Super corsas. Especially the new V2's who are incredibly overpriced.
The power cup corners like crazy you'll never miss the apex.

[wattsy_rules]

Guys I've been told by BMW Motorad Australia that the only rear tyre you can put on the HP4 at the moment is the Pirelli 200/55 it comes with.

I personally asked the Australian Service Manager and he was absolutely adamant the TC is only calibrated to the 200/55 profile. Changing the tyre without recalibrating is apparently going "to do nasty things to the electronics".

I also spoken with the Pirelli techs at the WSBK's at Philip Island and they also said they don't make another tyre, road or slick that can be used without recalibrating.

Apparently Pirelli are in the process of making a harder compound 200/55 which won't need recalibrating.

[doidera00]

I don't think running a 190/55 should be a problem since u are only changing the width of the tire and not the height. Also I dunno if other tire brands will be offering their tires on 200/55 since there is not a lot of demand out there for them. If hp4 wasn't a limited production bike, them I think there would be more tires out there.

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[moman]

Definitely a height difference between the two tire sizes.

http://www.tacomaworld.com/forum/tir...5r17-190-55r17

[Motorat]

Originally Posted by moman

Definitely a height difference between the two tire sizes.

http://www.tacomaworld.com/forum/tir...5r17-190-55r17

Thanks for the link, I hate math!


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[Karl]

I've just put on Pirelli Diablo Superbike Slicks, rear 200/60 x 17 SC1, front 120/70 x SC2, just drove up the road did about 20 miles to try out for myself any issues with DTC.
NONE, ABS & DTC Lights went off as usual. Bike was fine ready for track day next week.

HP4 Comp 1262


DIABLO SUPERBIKE , Motorcycle Tyres - PIRELLI INTERNATIONAL

[wattsy_rules]

profileTE=Karl;248362]I've just put on Pirelli Diablo Superbike Slicks, rear 200/60 x 17 SC1, front 120/70 x SC2, just drove up the road did about 20 miles to try out for myself any issues with DTC.
NONE, ABS & DTC Lights went off as usual. Bike was fine ready for track day next week.

HP4 Comp 1262


DIABLO SUPERBIKE , Motorcycle Tyres - PIRELLI INTERNATIONAL[/QUOTE]

Originally Posted by doidera00

I don't think running a 190/55 should be a problem since u are only changing the width of the tire and not the height. Also I dunno if other tire brands will be offering their tires on 200/55 since there is not a lot of demand out there for them. If hp4 wasn't a limited production bike, them I think there would be more tires out there...]

So when you go down the road on your ass through a corner please don't blame BMW...especially when they refuse warranty cos the TC didn't work.

The HP4 has calibrated for the Pirelli 200/55. This means the tread PROFILE is different to other brand and tyre sizes.

"Riding up and down the road means nothing! When it's in a corner and the computer is trying to work out the traction limit and can't work it out because the feedback is different to what it expects.

Good luck lads...I will not be sympathetic if you drop it without doing what bmw Germany
Expects.

[wattsy_rules]

Also. Just to be absolutely clear.

I want NO ONE to drop their bike for any reason hence the reason I'm letting you know what BMW Motorad have told me.

The issue is not stright line but when the bike is cranked over in a corner...especially if you'reon power.

[9mmkungfu]

wattsy, are you saying that you cannot deviate from the Pirelli Supercorsa, period, even if the new tire matches in size?