Michelin Power Race Soft Pressures

[TheIglu]

Gentlemen,

I'd like to know what sort of pressures to run on these.

Searched on the interwebs, but couldn't find any official responses.

I have a 120/160 combo (i think) in the Power Race, soft compound.

I set them to 32/32 at the Bomo trackday in 90+ degree heat, and they still tore up like they were too hot. Anyone know what sort of pressures these things need?

They stuck like crazy through, even kept me upright through oil with only a nice long front wheel slide to show for it.

[Doc]

32 seems High for the temp on the track that day... You know miore about tires than I do. I ran Michelins on the Hawk when I first stared and I have a set on the ZX6R now. I think I was running like 28 front and 26 rear cold. (On the ZX, I don't remember the Hawk pressures)

[Doc]

From Sportbiketrackgear.

POWER RACE & POWER RACE “PR”



Ok, this gets confusing so we’ll try and make it simple. Michelin makes two separate Power Race tire line ups. The Power Race and then the Power Race “PR” series. The “PR” series are made specifically for the North American market and feature more technologically advanced and different tread compounds and casing construction than “regular” Power Race. “PR” models are typically only available from authorized race tire distributors. Altogether, there are seven (7) different compounds. Standard Power Race: Fronts and rears in the following compounds: Soft, Medium-Soft and Medium. The front compounds are slightly softer than the rears. (Example: A Medium front/rear combo will have a front that is slightly softer than the rear even though they are both medium compounds.) To identify the compound look on the sidewall of the tire and the compound will be directly follow the words “Power Race”. We Stock: Front 110/70 soft, 120/60 soft, 120/70 soft(PR1), med-soft(PR2), medium. Rear 150/60 soft, 160/60 med-soft & medium, 180/55 soft(PR3) med-soft(PR4) medium, 190/55 med-soft & medium.

Power Race “PR” Series – We stock the PR1 and PR4 combo and were able to get a special very special deal on PR1 & PR4 combos. We also have some other PR series tires such as the PR2(med-soft) front, PRC (soft triangulated) front and PR5(medium) rear, but they are rather expensive. Track Notes: Are you are running an SV-650 or new Ninja 650 twin? The PR1 with a Power Race 160/60 medium makes a great track day and race combo. Got one of the hot 600 in-line fours? The PR1 and PR4 combo sets give BIG dollar race tire performance at a smoking good price. If you take your bike on the street occasionally, or want a little harder compound for those really hot summer days, we suggest the Power Race medium front and rear combo. You 1000cc riders have a couple of different choices… The PR1 or PR2 front is an excellent front choice combined with a PR4 or power race medium rear. If you have a 6-inch rear wheel or just like the profile, the Power Race 190/55 rear is a phenomenal rear tire and personal favorite of the authors. We offer the 190/55 in med-soft and medium, with the medium being the best choice for most riders and conditions. IMPORTANT SAFETY NOTE: The 180/55 and 190/55 Power Race & PR tires run 22 – 24 PSI. Do not run above or below this pressure! Power Race & PR fronts run 31-33 PSI.



Who Should Buy This Tire: Track day riders and racers all compounds based on personal preference. Street riders who ride “near the limit” medium compound.

[Slowpoke387]

I run 'em at 30/22 with no shredding at all

[Nazo]

When I used to run Michelin Power Race I always ran the rear 22 and front 30

....When I wanted better traction I switched to Dunlop

[smf]

I'm running michelin dots ('power one' if i recall) on the hawk this season. 31 front/22 rear cold. I ate the soft rear alive - the A compound - completely destroyed between friday practice and a 2-race saturday in april. I've had much better luck with the B compound rear. if you go down to 22psi in the rear just make sure you've got ground clearance in 6, I'm dragging my peg a little there.

btw, I use the V front.

edit: forgot to mention, part of the reason I destroyed the A rear so quickly was my shock spring was 100lbs to light - on the hawk that makes a big diff. if you're tearing the tire you might need a suspension adjustment.

[TheIglu]

"The 180/55 and 190/55 Power Race & PR tires run 22 – 24 PSI. Do not run above or below this pressure! Power Race & PR fronts run 31-33 PSI."

But no mention of the 160 rear......

Doesn't higher initial pressure = less heat?

[Karaya One]

160 rear pressure is 22 set cold as long as its a C3M casing. The fronts should be 32 in this heat.

The 160 Soft in 90 degree plus heat is not going to last. You should go up to a MS or Medium.

[TheIglu]

Good to know. I guess 32 was a bit much. I'll lower it down next time.