June 1st, 2018, 08:49 AM | #1 |
ninjette.org member
Name: eric
Location: lompoc, ca
Join Date: Feb 2013 Motorcycle(s): 1992 fzr600 2010 ninja 250 2006 cbr600rr Posts: 71
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Tire tread and Tech inspection
Heading to Thunder Hill next week for the first time and trying to get one more track day out of this Alpha 13 front for my Ninja 250. I'm nearly down to the wear bars on the edges, think i'll get by tech inspection? Also, the rear still has plenty of tread left, is it normal for the front to wear faster than the rear? For a track bike, do any of you just change one tire at a time or both?
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June 1st, 2018, 11:21 AM | #2 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Should be fine.
Which day are you at TH? I've got spare wheel with good Alpha-13SP if you want to swing by and pick it up just in case. I'm north-east of S.F. off hwy-80. I usually use newer tyres for races and move older ones to track-day practice. Get about 35-40 days @ track out of a set and they wear pretty evenly for me. If you use more throttle and keep front-wheel off ground more, you'll even out the wear... |
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June 1st, 2018, 11:36 AM | #3 |
The Corner Whisperer
Name: Chris (aka Reactor)
Location: Northern KY
Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much.
MOTY 2015, MOTM - Nov '12, Nov '13
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The general rule is 80% of the tire tread but.....
Guys that work tech (normally the coaches) will make a spot judgment call. If they know you and your a track vet, it will pass. If you got tape on your lights, maybe not and you should have a plan to do a tire swap at some point. Good luck, have fun!
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Goal: Shake A Million Hands | Look through the corners | Track Day Prep | Closest track? | The Mid-Ohio School |
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June 1st, 2018, 12:41 PM | #4 | |
ninjette.org member
Name: eric
Location: lompoc, ca
Join Date: Feb 2013 Motorcycle(s): 1992 fzr600 2010 ninja 250 2006 cbr600rr Posts: 71
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Quote:
35-40 track days!? i have 5 on this one?
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