Question about Razor Dune Runner 350 Go Cart
Fuel system over fueling needle and seat not operating correctly if carby
air/fuel sensor if injected
replace with new plug and gap correctly
Posted on May 02, 2017
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Posted on Jan 02, 2017
SOURCE: i have no spark..thinking coil?
Make sure you do the compression with the throttle wide open. (And a clean air filter) You need at least 100 psi to run good. (Kick it untill the gauge needle stops climbing)
Posted on Aug 13, 2009
hi buddy you obviosly havent put it back together propally restrip it down and check for the following 2 circlips in either side of the piston where the wrist pin is also check the barrel is smooth by rubbing your nail in around the barrel if it feels rough or pumps get some glass paper and rub it around the barrel but dont keep rubbing one side as you will make the barrel oval shaped do it all evenly until its smooth then put the piston rings in the little pin slots on the piston then get some 2 stroke and rub around the barrel also make sure nothing has dropped down inside the crank shaft if so this will jam it up then put the barrel back on
Posted on Aug 27, 2009
A dry & tan colour is what you want to see of your plug colour. If it is comming out black yet dry your fuel/oil ratio is too rich. If you lean this ratio off regulary check the plug (initially) to be sure you don't seize it. The other symptom to look for if your fuel/oil ratio is too rich is wet/oily muffler tip.
Hope this helps Regards
Posted on Nov 30, 2009
Sounds like you had the engine flooded or the spark plug was fouled. When you changed the spark plug, you apparently forgot to tighten it properly. You may have damaged the threads in the head. I doubt you blew up the engine but you need to have the treads in the head repaired if they are damaged. Any good machine shop can install an insert into the head to repair it.
Posted on Dec 13, 2009
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