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2003 LT80 won't run - help

  #1  
Old 12-21-2018, 04:08 PM
Weekend Warrior
Thread Starter
Join Date: Dec 2018
Posts: 3
Default 2003 LT80 won't run - help

Original problem was no compression. Replaced piston, rings, cylinder board oversize and new carboretor. Installed all new gaskets including crackshaft seals.
Then had no spark so I replaced CDI unit, ignition charging coil, ignition coil and emergency brake switch.
Now I have spark but motor will not run.
Cylinder leak down testing showed good results as well as compression testing.
Carboretor and fuel petcock valve are aftermarket. Could this be the problem?
When spark plug is removed it is wet, getting fuel.
Any ideas on what could be the issue?
 
  #2  
Old 12-22-2018, 08:19 AM
Weekend Warrior
Join Date: Dec 2018
Posts: 18
Default

Check your air filter. If you're getting gas & spark lack of air could be the issue.
 
  #3  
Old 12-22-2018, 10:46 AM
Extreme Pro Rider
LT80 Expert
Join Date: Mar 2001
Posts: 7,826
Default

I'm wondering if the bottom end is flooded. Did you try giving it full throttle when starting? The carbs leaking gas past the float needle is a big problem especially if ethanol fuel is used.
 
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