I took Ratana out on errands in town today, and it showed a worrisome change in character.
Maybe easier to come to life from cold.
A touch more idle-region vibration.
A bit of initial stumble coming off a stop sign/light, needing some clutch feathering, but then followed by much more aggressive and stronger acceleration - seemingly some really good fueling higher up in the revs.
But riding around and stopping several times in a town that's no more than three-by-three miles in dimension, ... man that bike got really hot. Low 60s today, too.
So I pulled the fuel tank tonight.
Loosened the too-tight throttle cables.
Lubed said cables.
Plugged off two vacuum lines.
Checked the plugs - didn't look dark.
Might have been a touch cleaner than when they went back in.
Plenty of oil.
I'm going to run it tomorrow on 'prime' to see if the petcock and/or EGR diaphragms become more solid suspects.
The ancient vacuum lines could've cracked from handling.
The valves could be maladjusted.
The .......
Choose to Ride.
Supports splitting everywhere.