1985 LT230 backfiring
#1
1985 LT230 backfiring
my son and I are restoring an 1985 LT230.rebiult entire carb new everything in it Timing is set dead nuts after reboring cylinder and replacing piston and rings. Engine is hard starting and when does start engine will only run with choke on idle revs up pops through carb and goes down. when you crack throttle enginge backfires through exhaust and carb. any Ideas would be great thanks.
#2
Your question has been selected by the editors for our Ask the Editor column!
To read the rest of the response, click here!
Thank you for submitting your question.
Originally Posted by atv connection
It sounds to us like one of two issues: Electrical or carburetor jetting. We’ll begin with the more likely of the two, the jetting. It sounds to us that the machine is running lean. Since you said this was an ATV restoration project, have you made certain when rebuilding the carb to jet for your area’s elevation and to accommodate for any modifications you performed in the process? You did note having performed a cylinder bore, which can often demand jetting changes. Other mods that would certainly demand larger jets are the move to an aftermarket exhaust system or freer-flowing air box.
Thank you for submitting your question.
Thread
Thread Starter
Forum
Replies
Last Post
fordfaithful21
Polaris Ask an Expert! In fond memory of Old Polaris Tech.
9
12-07-2015 05:52 PM
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)