Hi all

ceejaycornock

Forum Newbie
Joined
Nov 15, 2026
Messages
1
Hi,

I have a Shindaiwa T263XS that will start and idle normally. As soon as throttle is applied, it bogs down and eventually dies altogether.

When bogging down, releasing the fuel cap temporarily resolves the issue, but the problem returns after approx 30 seconds.

I have replaced the entire fuel system, it is all in good working condition. I have also transferred a carby assembly from an identical donor machine. Everything is correctly fitted, except a partially deteriorated gasket where it mounts to the engine.

Idle speed has been set accurately. No other carburettor adjustments have been made.

Anyone have a clue what might be preventing proper fuel metering at sustained high RPM?

Thanks in advance for any help 👍

Chris
 
If you are using canned pre-mix fuel, that is where I would look. I have had a to dump a lot of that stuff out of customer machines and use my own fresh mix several times.
 
Sure sounds like a clogged fuel filter. Try replacing it and call me in the morning.
 
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