vettez062002
Novice Class
Posts: 37
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posted July 30, 2014 07:11 PM
Why does my bike crank so much to start?
I have a 2007 trex with a zx14 motor. It takes a while for it to start. It cranks and cranks for a good 5-10 seconds. Back fires once or twice then finally fires up.the starter jams up every now and then as we'll. any ideas?
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2007 Turbo T-rex
  
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1badzx12r
Needs a life
Posts: 8321
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posted July 31, 2014 03:24 AM
MINE STARTS WITH A BUMP OF THE STARTER SWITCH . no more than 1 second. seem like the guys that made the trex screw up something.
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http://www.youtube.com/watch?v=S06nIz4scvI
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vettez062002
Novice Class
Posts: 37
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posted July 31, 2014 06:18 AM
ya thats every bike Ive been on. just tap the switch and they fire up.. this takes forever...
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2007 Turbo T-rex
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87gtNOS
Zone Head
Posts: 620
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posted August 20, 2014 08:21 AM
 Edited By: 87gtNOS on 20 Aug 2014 16:21
Power Commander on it? I have recently been reading that Harley guys having longer cranking issues too...the reason is the PC turns off after the fuel pump cycles.
The solver was to crank as soon as you flip the power switch (or key) on.
I have started to do this with my Harley, and not really noticed a difference. I will try this method on my Yamaha snowmobile too this winter.
Every application for the PC is powered differently, some need just the key 'on'...others need either the engine running or the 9v battery to keep powered up.
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01 ZX12R
07 ZX14 - YEAH BABY!
03 ZX9R-traded in for the 14!!! June 07!
05 636-traded in for the 9 Sept 05
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venomous_zx
Expert Class
2012 14r - low and long-
Posts: 321
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posted August 20, 2014 09:34 AM
Is the engine stock? Aftermarket parts? Causes could be ignition or valve timing... power commander... too rich or too lean... several things.. need more info on engine...
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sensei
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Greggy
Expert Class
Posts: 150
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posted August 21, 2014 07:15 PM
How clean are the spark plugs and are they gapped correctly? Check your coils and plug leads for problems as we'll.
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2012 ZX-14R ABS - Spark Black - Two Brothers V.A.L.E. Carbon slip ons P1X tips - Powerbronze DB screen.
1990 ZX-10 Ninja - Megacycle stainless steel mufflers - gear-sack rack - tinted screen.
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bluefrog14r
Parking Attendant
Posts: 6
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posted August 22, 2014 03:13 PM
my 2010 t-rex did the same, replace the starter and start fine now
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