Just had a pair of the new Tourances fitted. Different tread pattern and 2mm less tread depth than the old ones! Previous versions came in at 9mm on the back and new ones at 7mm. I usually reckon on about 1mm per 1000 miles on a GSA so 2mm less means 2000 miles less before replacement! What's all this about!
Tourances
- Thread starter oldenoughtoknowbetter
- Start date
Dunno, ask them
motorbaker
Registered user
Might be worth checking your fuel consumption too. I just had my Battle-Wings (they did over 10,000 miles) replaced by Tourances. The bike seems to stick to the road better but I've noticed that I'm getting only 38mpg now compared with 44mpg before - a huge change - and had I known how much more I would have to spend on petrol I'd have stuck with the BWs.
I changed to the Tourances because they seemed to come well recommended in this forum. I don't recall reading any comments about the increased fuel consumption - anyone else noticed this?
MotorBaker
I changed to the Tourances because they seemed to come well recommended in this forum. I don't recall reading any comments about the increased fuel consumption - anyone else noticed this?
MotorBaker
wully
Registered user
I understand that these are more road orientated i.e. smaller tread width. 9mm tread depth on normal road tyres are certainly not the norm. I'd guess its to do with the deformation of the blocks meaning that you can't make the tread depth as deep with a narrow tread?? Or maybe softer rubber meaning blocks have to be shallower, again due to deformation?
I've just fitted the old style Tourance because of the problems reported with the EXP's - one of them being rear tyre longevity.
Also, I'm not sure if the old Tourance are being discontinued. Looking at the website you'd think they're being kept as an alternate. There also isn't the full range of sizes for the EXP's + there's no claim for 'light offroad' as with the originals.
I've just fitted the old style Tourance because of the problems reported with the EXP's - one of them being rear tyre longevity.
Also, I'm not sure if the old Tourance are being discontinued. Looking at the website you'd think they're being kept as an alternate. There also isn't the full range of sizes for the EXP's + there's no claim for 'light offroad' as with the originals.
motorbaker
Registered user
Maybe 'cos you've got stickier tyres your giving it a lot more welly
I definitely have to twist the throttle more to get to the same speeds as before. And I was more disadvantaged when overtaking on Scottish roads in bad weather last week - a few rather close calls due to poorer acceleration than I had before the change!
mb
maybe its coincided with your bike needing work, I had this difference recently when a coilcap broke, it increased fuel consumption and had less pick up, cant personaly see how a tyre would give the symptoms that you describe
I've got Tourance EXP's, averaging 48mpg, done 2 2.5k so far and the rear's got loads left. Plus I'd say they are definitely stickier than the old Tourances.
I reckon they're fine.
I reckon they're fine.
With all due respect, that's a load of bollock$
It's mostly in your head, different fuel, different atmospherics, wearing thicker gloves, because it was raining and you couldn't see as well... etc. etc.
+1 on a load of bollox. How the hell can a new set of tyres affect the performance of a bike
I`ve had everything from TKC`s to Trail attacks on my 1200 and never noticed any dofference in performance or fuel consumption. I think either the bike has a problem of you are imagining it.....!
motorbaker
Registered user
With all due respect, that's a load of bollock$
It's mostly in your head, different fuel, different atmospherics, wearing thicker gloves, because it was raining and you couldn't see as well... etc. etc.
Gosh, what a charming man you are!
Having reset the fuel computer at the moment I got the new tyres, I can tell you that the average reading is now 38mpg when it was 44mpg. The latter was the average of 3 weeks' varied riding in Spain and Scotland, and the 38 is the average of the 1000 I have done since leaving Inverness and some local stuff around London.
Perhaps there is something happening in my head (thought perhaps, a fairly normal human activity) but I can vouch for the externalism of the GS's mpg computer readings.
Yours politely,
motoBaker
Number 6
Registered user
Your new tyres are a bigger diameter than the old, worn ones. At the same actual velocity the wheels will revolve slower than before and the indicated speedometer and odometer readings will be reduced. You are still getting the same (or even better due to the higher overall gearing) MPG, it's just appears to be different
motorbaker
Registered user
Your new tyres are a bigger diameter than the old, worn ones. At the same actual velocity the wheels will revolve slower than before and the indicated speedometer and odometer readings will be reduced. You are still getting the same MPG, it's just appears to be different
Err, hang on. Maybe I'm missing something, but if, as you suggest, both the speedometer and odometer readings reduce, and presumably in proportion, shouldn't I still get the same mpg reading?
MOTObkr
What he's saying is that the bike thinks you've gone a greater distance on worn (smaller) tyres relative to new (larger) tyres. You will naturally get a greater mpg. Still don't think it would make up the difference in mpg.
Did you run the same pressures on both sets of tyres?
You said the 38mpg includes local riding........not really a fair comparison with touring Scotland and Spain.
brassmonkey001
I should change this
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