Answers..Please!!!

[rubber2burn]

I know on my last bike (Honda ) that the pressures they recomended in the manual differed to what Bridgestone recomended .

Not such a big difference as that though :shock:

 

[ATMofMN]

My local mech at the dealer says 40 for the front and 42 for the back. Makes a nice difference.

ATM

 

[THE PUNISHER]

I ran my last on at around 37 to 40 and it scalloped out pretty bad

 

[Triple Trouble]

150/80/17

 

[Billythebiker]

I've had the same problems, time to get the pump out!! :?

 

[gR3yWolf]

Based on the information that became available after all the fallout & crap from the Ford SUV/Firestone fiasco several years back, the legaleese & such, it was recommended that motor vehicle operators follow the advice of the vehicle manufacturer, and not what is on the tire. The same tire on different vehicles/makes most likely will have different recommended tire pressures because the vehicle manufacturer is trying to maintain handling chararteristics and such for that particular vehicle, since pressure has a major influence on handling.

It may be a bit different, however, between Triumph and Metzler...as there is only one tire manufacturer. Was it built exclusively for the Rocket? If so, then I'd lend more credence to what Metzler recommends. A different size/weight bike using the same tire may require different pressure for its handling.

Just my $.02, adjusted for inflation, of course. 8)

 

[nomad]

Tyre pressures are dear to my heart I too have the cupping problem (well don't we all) so I googled and went to the Metz website and this is what they publish

• Type of motorcycle: TRIUMPH
• Model: ROCKET III '04 - 2004

Results


ME 880 MARATHON XXL - ME 880 FRONT
Front 150/80R17M/CTL 72V ME880F - 2.40 BAR (34.8 PSI)
Rear 240/50R16M/CTL 84V ME880 - 3.00 BAR (43.5 PSI)

 

[Billythebiker]

Well that's thrown it back up in the air then!!! :?

 

[RiderRocketman]

Are you running on the darkside, GMan? If so, the increased countersteering forces will produce more front tire scalloping. If not, then you could have other imbalances. I doubt it is tire pressure if you're running at spec.

I'd put more weight on what the manufacturer says the tire pressures should be. They are the ones that design and test the machines not the tire maker. The pressure stamp on tires are a maximum safe limit, not recommended pressure.

I've run my Metzelers at Triumph's recommended pressures and had no problems. Are you sure you're not just running the corners harder these days, GMan? If your bike has no front end imbalance then your cornering behavior has the most effect on tread wear.

 

[mdglaw]

Somewhere last fall we had a nice thread on scalloping in which I posted links to some various sites. Should still be available. My memory is you should not assume that you have an air pressure problem. Might be due to the crown of the road. Find the links interesting reading.
Mike