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proximity
Crazy Courier



Joined: 08 Oct 2004
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PostPosted: 23:51 - 09 Sep 2005    Post subject: Riding in the wet. Reply with quote

My last bike had a rear tyre called a "Kings Tire" which was obvously a cheap shit tyre. Now in the wet whenever i braked it would lock up, and if i accelerate it would spin. I blamed this on the tyre.

Well now i have a new bike and it has BT45s with loads of tread left, and im still wheelspinng under acceleration. It happened today on the dual carriageway when i went to overtake and i shit myself.
My bike isnt even powerful, god knows what would happen if i lean hard into a corner.

Do i just need to take it really really easy in the wet or are my tyres shit still?
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G
The Voice of Reason



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PostPosted: 00:02 - 10 Sep 2005    Post subject: Re: Riding in the wet. Reply with quote

Never been impressed by the BT45 myself - they are a 'sport mileage' tyre I think. 010 is very good in the wet on bigger bikes - but apart from race wets there's always going to be a point the tyre can't handle it.

Watch out for white lines etc in the wet; any tyre will slip on them.
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Spiral
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PostPosted: 00:06 - 10 Sep 2005    Post subject: Reply with quote

I tend to go extra slow in the wet as every flipping roundabout is a potential off imo.
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Irezumi aka Reuben
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PostPosted: 00:10 - 10 Sep 2005    Post subject: Reply with quote

Little tip my Dad gave me after I had crashed the other day. Rolling Eyes

When it's wet it is generally even more treacherous in the middle of a lane. This is due to car's and lorries dropping crap in the middle of the lane obviously. When it gets wet it becomes very slimy, oil, coolant, diesel etc.

Use the back brake very gently and avoid using the fron if possible, stay to the left of this central part, there is always a clear change in the colour of the tarmac. And just do everything very smoothly.
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proximity
Crazy Courier



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PostPosted: 01:02 - 10 Sep 2005    Post subject: Reply with quote

Good tips ill keep that in mind. When its wet i can usually see the oil in the middle of the lanes anyway so avoid that like the plague.
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Mr noOdles
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PostPosted: 02:04 - 10 Sep 2005    Post subject: Reply with quote

well from now on i only use the best tyres money can buy............Michelin Pilot sport

useless u guy know a better brand,

plus, do yokohama do bike tyres
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Zen Dog
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PostPosted: 08:00 - 10 Sep 2005    Post subject: Reply with quote

My BT020's have been lovely in the wet so far, much better than the pirelli tyres i had on my NSR. I've only had one hairy moment on them so far, when the front stepped out going over a shiny manhole on a corner, but any tyre would have done.

Why oh why do they put manholes on corners. I suppose its because thats where the pipes change direction, but its bloody lethal.

Zen Dog
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muddycoffee
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PostPosted: 09:35 - 10 Sep 2005    Post subject: Reply with quote

Reuben wrote:
Little tip my Dad gave me after I had crashed the other day. Rolling Eyes

When it's wet it is generally even more treacherous in the middle of a lane. This is due to car's and lorries dropping crap in the middle of the lane obviously. When it gets wet it becomes very slimy, oil, coolant, diesel etc.

Use the back brake very gently and avoid using the fron if possible, stay to the left of this central part, there is always a clear change in the colour of the tarmac. And just do everything very smoothly.

These are very good tips..

In addition I would add.
1) Watch out for junctions at the bottom of hills, they often have gravel and road muck washed to the bottom of them, if it has been raining heavily, make sure you are gentle on throttle and brakes and dont lean at all.
2) Roundabouts.
Roundabouts are always very dangerous for motorcycles but the worst ones are large ones near petrol stations on wide roads. Spilled diesel will come to the surface after rain and can make the roundabout like a skating rink. Large roundabouts on main roads are worse because overfilled lorries can speed around them and spill diesel, where they would go slower and spill less on small roundabouts.

The best technique for roundabouts is don't go around the outside where lorries go, don't lean it over and don't accelerate or brake too hard. Smooth and gentle... Thumbs Up
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GearboxGeezer
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PostPosted: 10:07 - 10 Sep 2005    Post subject: Reply with quote

Just came back from a ride this mourning in the wet, Is it normall to have to ride like a granny and have cars all over your arse threw courners? I felt like I was going to fall off every time i went round a courner!
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mcbiker
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PostPosted: 10:39 - 10 Sep 2005    Post subject: Reply with quote

You must ride within your limits, don't try to ride faster than you feel comfortable with, confidence comes from practice, knowing your limits, knowing your bike and it's handling abilities. It does not matter how many cars are following you remember, they have four wheels not two and will not notice the problems you see going into a bend or roundabout etc. You are better to be over careful than taking a gamble in the wet, as I always say "Ride to live another day".
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muddycoffee
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PostPosted: 11:58 - 10 Sep 2005    Post subject: Reply with quote

GearboxGeezer wrote:
Just came back from a ride this morning in the wet, Is it normall to have to ride like a granny and have cars all over your arse threw courners? I felt like I was going to fall off every time i went round a courner!

Yep.

Let all the cars past you, ride to survive. Car drivers don't realise how difficult it is for bikes in the wet, and if they had spent time riding bikes they would have less accidents, because they would be more aware of road surface conditions.

It's no shame to ride like a granny in the wet. Me too..
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muddycoffee
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PostPosted: 12:05 - 10 Sep 2005    Post subject: Reply with quote

Zen Dog wrote:
Why oh why do they put manholes on corners. I suppose its because thats where the pipes change direction, but its bloody lethal.

This one is covered from time to time in the biking press.
The reason is that blockages only happen on corners and that's where the manholes are required. Unfortunately manholes and other road surface anomalies, like overbanding and potholes are just a feature of motorcycling and the only thing you can do is not overcomit into corners which you don't know and leave plenty of leeway so you can safely get around them.

I particularly hate road surfaces which have just been scraped or planed for resurfacing. You ride along and your back end seems to wag from side to side as if you are going to loose it.

We have tramlines along roads here in sheffield, and they are just railway lines buried in concrete which you have to ride along and across. That is really scarey at times. They are shiny and look as slippery as ice. You just have to make sure you are not accelerating or braking as you go over them, and try to cross them at right angles if possible.
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mistergixer
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PostPosted: 12:18 - 10 Sep 2005    Post subject: Reply with quote

Better late in this life than early in the next.
Concentrate on being Mr Smooth, no sudden changes in direction, don't bang the brakes on, don't crack the throttle wide open.
Since downgearing my bike i've noticed i have to be really careful about applying the throttle in the wet, the back wants to spin up.
The best thing i reckon is to ride a motox bike for a while, you get so used to constantly loosing the front and back end that when it happens on the road you don't shit yourself so much - it becomes a more familiar sensation.
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mrchips
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PostPosted: 12:32 - 10 Sep 2005    Post subject: Reply with quote

I ride like a learner in the wet. Would love more wet confidence but any time I try to remotely push it I feel the tail breaking and the front starting to give way, so it's simply not worth having a wrote off bike just to get to work 2 minutes quicker.

The AR125 was th worst ever in the wet, I was breaking the tail every time I went out and that was with me riding like a learner. Laughing
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kal9001
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PostPosted: 23:36 - 10 Sep 2005    Post subject: Reply with quote

i was taught to ride slightley to the right anyway out of the center of the lane and moreorless where a cars righthand tire would be planted...pureley for that reason, even when its dry cars can piss oil or fuel, but more commonley cars "clean" alot of crap up in two strips of the road, i.e. the ares their tires use, they also tend to lieve a track of loose road and drit and god knows what else in the middle...hence why i allwasy ride to the right of a lane if its single or if im in the right hand lane of a dualy i will ride to the left...apparentley its the way your taughtfor advanced training.
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mr.z
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PostPosted: 00:12 - 11 Sep 2005    Post subject: Riding in the rain Reply with quote

https://www.survivalskills.clara.net/riding_skills_45.htm

Quote:
The big problem for many riders when riding in the rain is that they have no idea of the limits of the tyres or how hard they can use the brakes. As a result, they are often excessively cautious. Many reduce their speed unnecessarily - on a deserted straight road with a good surface and a good view, it's usually safe to maintain a decent rate of progress even in the wet. Perhaps not quite as quick as in the dry, but not that far off. In traffic, you may well have to go with the flow to avoid being harrassed by other drivers - but remember to compensate by opening up your braking gap and planning ahead. There is nothing wrong with taking care in the wet, but too much caution and we start holding up other drivers. If you understand the limitations and dangers of riding in the rain, a wet ride can be a lot of fun!



Searching for Grip

Think about how grip will be affected by rain. Use common sense - look at the road surface, has it been raining long? Wet surfaces clearly have less grip than dry, and you will have to reduce your lean angles and increase your braking distances accordingly. However, on a wet surface that is otherwise clean and in good repair, a bike on modern tyres has surprisingly good grip.

Problems arise when the surface isn't good or clean. There is nothing that you can do about the road surface. You have to take it as it comes. The quality of the surface has been steadily deteriorating for the last twenty years or so, and finding a perfect surface is now the exception rather than the rule.

Look ahead up the road. Note changes of surface early and try to spot whether it gets better or worse - a line across the road often warns of a change. Note changes of colour or discoloured patches - they may be wet patches, potholes or polished patches at a distance.

You have probably found that the bike will slide more on some surfaces than others, some surfaces which are fine in the dry are barely ridable in the wet, others give near race track levels of grip. Some surfaces offer average grip wet or dry. It helps to know which is which, before you find out the hard way...

Think about which surfaces are slippery when wet:

* metal manhole covers
* catseyes
* white lines and road markings
* tar seams
* polished and worn road surfaces
* leaves
* oily surfaces

They are all shiny when wet! A good general rule is to treat any shiny patch on the road as slippery and to avoid it if possible.

Avoid places where accumulation of oil and grease is most common:

* between the wheel tracks at traffic lights or stop signs
* to the outside of a lane in a turn (ie the right side of the lane when turning left, the left side of a lane when turning right
* roundabouts

The biggest danger is spilled diesel. Figures published by FEMA, the european riders organisation show that 10% of all motorcycle accidents are caused by diesel. Use your nose - you will often smell diesel before you spot it, but treat dark shiny streaks or rainbow patterns with a lot of care.

In general, the roads are at their slipperiest after a short shower during the summer, immediately after a dry spell - oil dripped onto the road mixes with the worn rubber on the surface, creating a slick. Prolonged rain washes all the oil and rubber away and given a decent surface, the roads actually have quite a lot of grip.

Watch out for surface water beyond the norm! Expect flooding and the slight possibility of aquaplaning on standing surface water after a storm. Streams may burst their banks and flow into the road alongside leaving mud and gravel behind or under the surface water - don't be surprised to find a slippery surface at the bottom of a hill after heavy rain. Dips may well be filled with deep water which can cause you to lose control if you hit it too fast - look at things like fence posts or where the kerb disappears to get an indication of how deep it might be. Avoid riding through puddles as a matter of course - they may conceal a pothole or debris.

The name of the game is compromise. The key to finding grip in wet weather is to look for it and to compromise your perfect riding plan to take advantage of it. Most importantly don't pick lines that give you no options. Keeping away from extremes of position allows you to change your line should you need to. Keeping off tar seams and white lines in corners allows you to corner without worrying about a slide. Braking either side of a manhole cover or a painted arrow that you cannot avoid stops you worrying about locking the wheel as you ride over it. Not very difficult if you look ahead and think about what you are doing!


The key rule to riding in the wet is be smooth. Avoid sudden changes in speed or direction. Smoothness is all - pure minimalism. The fewer control inputs to achieve a result, the better.

Speed in the wrong places or following to close are bad ideas. Your braking distances are doubled or more, so remember to leave good gaps. When you brake, do so smoothly and progressively - you will be surprised how much grip is available if you allow the suspension to settle. If you grab the front brake you will lock it - in the wet, it will tuck under faster than you can react. Just as in the dry but even more importantly in the wet, the best way to enter a corner is with the brakes released and the weight transferred to the rear with a gentle application of throttle.

When you accelerate, do so smoothly and consider changing up early. This reduces the probability of the back end breaking loose when opening the throttle or, equally likely but often overlooked, on the overrun if the revs are high. However, you should not make the mistake of forcing the engine to run at very low revs either. Most motors are reluctant at low revs, and need more throttle than usual to keep spinning. If you hit a slick patch and the rear wheel spins, this extra throttle will spin the motor and wheel unexpectly hard, and it may not grip again on the far side. Keep the motor in its "happy zone" but towards the bottom end rather than the top.

The correct technique for corners is the same as recommended in the dry, but it is that much more important to get it all correct. Get all the braking done in a straight line, off the brakes, let the suspension settle, turn in smoothly, keeping a little power on through the turn (this obviously demands a line that allows you to accelerate gently along it, which in turn means picking a late apex through the corner), this loads the back wheel and allows the front to get on with steering.

Accelerate very gently when leant over, just enough to avoid coasting, applying throttle carefully as you chase the exit only apply more acceleration when upright. Wheelspin in a straight line is controllable, just a gentle wag from the rear of the bike - wheelspin in the wet whilst leant over leads almost instantly to a high side.

You can almost certainly lean over further than you expect, but try to avoid sudden or jerky motions - in the dry we have talked about late turn in points and quick steering to turn quickly and square off turns. You can still use this technique in the wet. It is still safer because it opens out the exit to the corner, but slow down and make the steering manoeuvre a little more gentle, open out your lines a little and make them smoother.

This does not mean turning in too early - most riders turn in far too early even in the dry which means they run out of road halfway round the turn, and touch the brakes mid corner in an attempt to lose speed - in the wet this is even more a recipe for disaster than in the dry. Err on the side of 'slow and smooth in, and faster out' - it's not that important to ride fast in the wet.

If you have to brake in the corner, use the rear lightly, and be very careful with the front. You may get a good amount of grip from it, but you if you lock it, you will probably crash. You can often catch the rear if it locks by releasing the brake and pulling in the clutch to disconnect drive from it. It may waggle but if you are quick enough you will not highside.


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mattsmith95
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PostPosted: 00:56 - 11 Sep 2005    Post subject: Reply with quote

GearboxGeezer wrote:
Just came back from a ride this mourning in the wet, Is it normall to have to ride like a granny and have cars all over your arse threw courners? I felt like I was going to fall off every time i went round a courner!



I get this often, drivers don't seem to be able to understand that us bikers can get hurt very easily in the wet. I get drivers blowing their horns at me, when they get past me it's FUCK YOU and the finger when I catch them at the lights.
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Visitor Q
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PostPosted: 01:11 - 11 Sep 2005    Post subject: Reply with quote

Put it this way, ive got macadams on and i can still wheelie in the wet.

My old battlax wheelied in the wet too.

All just a matter of warming em. If its /that/ slimy (dry for week or so then pissed down) its worth the tyre you lose doing a burnout to heat it up. If the back grips ok you can put more power down and therefore get the weight off the front.
And VERY ginger brake use.

Do love spinning it up though, you feel like such a twat, but its such fun.
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Rookie
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PostPosted: 03:01 - 11 Sep 2005    Post subject: Reply with quote

Great site Mr. Z, I'm working through all of them, and finally understand countersteering a bit better!
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