Hayabusa rubber?

**Stylo** · 8th August 2010, 19:07

Originally Posted by Mishy

Yeah, the big torque monsters can be brutal on the rear rubber - that makes it SOOOOO important that pressures are kept at an ideal level.

The enemy's are heat and slippage, which severely increase wear. More load on the rear (as in with a pillion, or luggage) adds load, and increases heat, therefore wear as well.The higher pressure reduces heat, which keeps the wear in check.
Another strange thing about extra load on the rear is that you actually get less slippage (load overcomes slippage) - and bike tyres are ALWAYS in some state of slippage, no matter how small.
Slippage promotes wear, and more load on the rear tyre can actually reduce slippage. thereby reducing wear - as long as you have the correct extra pressure in the tyre to control the expected extra heat build up.

I have had fairly clear info from our tyre manufacturer regarding the effect of pressure on longevity, and it's more extreme than you would think.
I also had some info from a car tyre manufacturer, and they were just as clear - 5psi equals a 20% reduction in life ( according to the car guys), 7 psi was closer to 30% !
Our experience is VERY similar to these numbers.

Put that with dealership mechanics who estimate that the average bike tyre they change is under inflated by at least 8 psi ( often more) when they change them, and you can easily see how many miles a lot of people are cheating themselves out of.

I don't care what brand you are on, the best advice will always be the most basic, and give you the best life from your rubber - keep your pressures up !

Thanks Mr Ishy , 10 points

**The Pastor** · 9th August 2010, 14:24

keep the tyre pressure up and just go slow and be smooth on the throttle and brakes.

Pretty simple really. If tyres are bald just take it easy in the wet.

Tyres don't cause accidents. inattentive riders do.

**Stylo** · 9th August 2010, 20:36

Originally Posted by renegade master

keep the tyre pressure up and just go slow and be smooth on the throttle and brakes.

Pretty simple really. If tyres are bald just take it easy in the wet.

Tyres don't cause accidents. inattentive riders do.

Done some research tonight , evidently the Bridgestone BT-015's ( Developed specifically for the G2 'Busa ) were delevoped for high speed running and excessive weight . The trick , I'm told , is to run these tyres at 42psi ( super hard ) both ends, to stop heat build up through tyre deformation ....

And that was news to me .....Be nice if the Dealer had told me that when I bought it new ....