2018 Kx450f backfires and cuts out when hot

TimTam
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11/14/2020
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AU
TimTam
My 2018 kx450f backfires / breaks down when bike gets warm (after 1 lap) I changed spark plug and checked for vapour locks but still no good. Bike ran perfect before I put a new radiator on it . The problem is almost like a bike running out of fuel but why would it do it after bike heats up .
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walent215
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12/6/2014
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Ridgecrest, CA US
walent215 11/15/2020 5:35am
11/15/2020 5:35am
Possible coil issue. Service manual will walk you thru testing it with an ohm meter
1
Paw Paw
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12/24/2011
Location
Benton, LA US
Paw Paw 11/15/2020 10:37am
11/15/2020 10:37am
walent215 wrote:
Possible coil issue. Service manual will walk you thru testing it with an ohm meter
X2

Paw Paw
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