Howling front end

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sproggy
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Howling front end

Post by sproggy »

I had a pair of Pilot Roads fitted on Saturday, and I'm really happy with them, particularly in the wet (anyone else swim to work today?!) when they inspire huge confidence.

But......... as well as gaining new tyres I've also gained a noise from the front end. It's half way between a howl and a whistle (bit like a jet engine sound) and it grows from around 35mph reaching a peak around 50mph and then seeming to grow weaker, possibly only because it gets drowned out by wind noise at higher speeds.

My dear wife (who is so unaware of noises on the bike that she hasn't even realised yet that I've fitted a Lazer end can :lol: ) even commented on it and if she noticed from sitting on the back, it's LOUD.

It's independent of engine speed (pulled the clutch in and coasted to test that), I've re-checked the tyre pressures and tried +2psi one day and -2psi the next day (usually run at 32psi). When I refitted the wheels the bearings seemed fine - certainly not loose, possibly slightly tight (?). Brakes aren't binding, everything's torqued up correctly (axle bolt, pinch bolts, calliper bolts etc), there's no unusual vibration and I've run out of ideas.

I know that some tyres can be noisy - has anyone experienced the same noise from Pilot Roads? Alternatively is it conveivable that the bearings could have been damaged when the tyres were changed (during balancing, possibly)? There is a temptation to change the bearings anyway just in case but if it's the tyres and 'they all do that, Sir' then there's no point.

Any other suggestions? I've done about 300 miles on the new tyres so they're properly bedded/scrubbed in by now.
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Gromit
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Post by Gromit »

I'd be virtually 100% sure it's the tyres - Metz M1's and Roadtecs, I find, do similar when new.
POB
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Post by POB »

The front of my bike, which has a half-worn 020, makes a lot of road noise. I noticed it when I first got the bike. I think it's the noisiest front end I've ever had.
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bigblackfalco
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Post by bigblackfalco »

But on that note ...(shameless plugging for Michelin!) Pilot Roads never made any noise on my S.They are fab tyres.
Are you quite sure about the rest of it...bearings, brake pads, spacers etc.
You sure that something foreign didn't get into the bearings whilst apart?
Bailey.
Honda VFR750 FV 1997 Red and dirty, 130K miles.

Honda VFR800 Xf Crossrunner 2016 White and dirty, 120K miles.
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Dickypalm
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Post by Dickypalm »

I had Pilot Powers which lasted 3600 miles but not good in the wet. Now fitted a set of Metzeler M3's which are quiet and grip in the wet.

Richard
Honda VFR750FG 1986
Honda VFR750FG 1989
Honda RC30
Honda RC30 Tony Scott race bike
Honda SP2
AHAMAY RD350A 1974
AHAMAY RD400 Earlystock Race Bike

I Only Drink To Make Other People More Interesting
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sproggy
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Post by sproggy »

bigblackfalco wrote:But on that note......They are fab tyres.
That I certainly have to agree with. I've had 020's on more bikes than I can remember (from GS to Blackbird) and thought they were good, but the Pilot Roads beat them in every respect (although I've yet to see how they wear).
bigblackfalco wrote:Are you quite sure about the rest of it...bearings, brake pads, spacers etc.
You sure that something foreign didn't get into the bearings whilst apart?
Bailey.
The brakes behave normally so the pads must be fine. I refitted the spacers the same way I always do so I'm sure they're OK too. It is possible that something 'foreign' has got in somewhere, but the bearings are sealed so there can't be anything actually inside them. Maybe something's got in between the 'top hat' spacer and the bearing on the RH side...... :? I guess the answer is to take the wheel off again and double-check everything.

I've found that the Michelins seem to reduce the stability of the bike somewhat (or I could have said they make it more responsive!) compared to the Diablo Stradas I had before. Not quite so stable when filtering at walking speed and I have to 'dab' more often than before, although the trade-off when riding hard on twisty roads is well worth it. Does that sound like yours?
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bigblackfalco
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Post by bigblackfalco »

You'll find that the michelins have a more sporty profile than the stradas.
They should wear very evenly and this is the one big reason i much preferred them over the 020's (you lose the last 1/3rd due to very poor wear patterns).
If i remember correctly it took a while for the Pilot Roads to settle down/bed in properly (about 250 miles). But after this I found them pretty untouchable in all round ability.
Bailey.
Honda VFR750 FV 1997 Red and dirty, 130K miles.

Honda VFR800 Xf Crossrunner 2016 White and dirty, 120K miles.
jltownshend
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Post by jltownshend »

Hmmm...

I have a quandry...replaced a flat rear Pilot Power a couple of weeks ago forgetting that the front was almost done for...

But I'm now doing 100 miles a day...

Do I put a Power on the front 'til the rear goes and then maybe put Pilot Roads on front and rear?

Should I just get Roads front and rear...

Or stick with Powers (which I like) and sod the cost.

How may miles do you get out of the Road rear on Motorways, etc?

Thanks,

John
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Gromit
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Post by Gromit »

John - I'd be tempted to get a new pair of Roads and store the new rear Power for the warmer weather in the spring when you could get a new front Power to match it.

Just a thought. :)
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bigblackfalco
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Post by bigblackfalco »

Gromit wrote:John - I'd be tempted to get a new pair of Roads and store the new rear Power for the warmer weather in the spring when you could get a new front Power to match it.

Just a thought. :)
Ditto that....the powers aren't really a winter tyre.The Roads would be much more sensible.Expect between 6-10 K miles depending on how you ride it.
Bailey.
Honda VFR750 FV 1997 Red and dirty, 130K miles.

Honda VFR800 Xf Crossrunner 2016 White and dirty, 120K miles.
jltownshend
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Post by jltownshend »

Oohh...nice thought! :D

Though being "sensible" might put me off! :wink:
boxerpan
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Post by boxerpan »

Pair of Roads - Powers won't get near working tempreture very often in this cold weather
Lloyd

It's not how fast you ride, it's how you ride fast.
Light travels faster than sound. That's why some people appear
bright until you hear them speak.
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Dickypalm
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Post by Dickypalm »

Just go really fast everywhere and the the tyres will heat up correctly. I'm a firm believer in riding like a lunatic but these stupid cylinders sticking out each side are scratching cars in heavy traffic.
Can they be removed?
Honda VFR750FG 1986
Honda VFR750FG 1989
Honda RC30
Honda RC30 Tony Scott race bike
Honda SP2
AHAMAY RD350A 1974
AHAMAY RD400 Earlystock Race Bike

I Only Drink To Make Other People More Interesting
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bigblackfalco
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Post by bigblackfalco »

Dickypalm wrote: these stupid cylinders sticking out each side are scratching cars in heavy traffic.
Can they be removed?
Yeah...tried it once before on a coach outside Victoria coach station.
Damage to coach=£35.00 ...paid cash on the spot.
Damage to Beemer=Right off.

Nuff said.
Bailey.
Honda VFR750 FV 1997 Red and dirty, 130K miles.

Honda VFR800 Xf Crossrunner 2016 White and dirty, 120K miles.
jltownshend
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Location: Sarf London (just) 'innit?!

Post by jltownshend »

Dickypalm wrote:Just go really fast everywhere and the the tyres will heat up correctly.
I have! I do! I will!

Only S Class Mercs and Porsche Cayennes can stop me (devastating width/driver combinations)

Sigh...

Actually, the Powers seemed to come off worst in Bike's little test...
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