Join Date: Feb 2009
Location: Glendale, Arizona, USA
Model: 1987 GL1200 Interstate 290,000 miles
I think I would change the oil filter, even on the first change. What's in there may be plugged.
Avoid the sponge and oil type air filters. EMGO or Honda paper filters only.
I disagree with running the motor at 4,000 for 20 minutes. 2,000 maybe.
GL12 valves are hydraulic.
Why ain't we ridin'?