Pilot Screw Adjustment
dan7uk:
Went on a 3 day 1000 mile trip this pass weekend and I check the gas milage at each fill up. Every time I checked it I was only getting 26 MPG, not happy. Drove on mainly two lane roads and no over twisting the throttle.
No vacuum leaks, no gas leaks, carbs are sync, been desmog, air pressure both tires 41#, one up, no dragging brake rotors. No visible signs of trouble.
Only thing I haven't checked is the pilot screw adjustment. I didn't pull the plugs out but with the gas milage I am getting I'm sure they are showing signs of burning too rich. My question is what is the easiest way to get to the adjustment screw on the pilots, looks like removing the manifolds would give a direct shot at the screws with the D tool.
Jims99:
Best mileage I’ve ever gotten was 32 mpg. Thats running back roads at around 50-60mph in flat Fl. on non ethanol gas. I have two valks and a wing, average 28 on the valks and 32 on the wing. Running highway at 80-85 I dropped to 22mpg. These bikes aren’t known for gas mileage they were designed to put a smile on your face. :) and make everyone else envious.
Make sure air cleaner is good and don’t forget to drain the tube that comes off the air filter case. The only other thing I can think of is using a color tune to adjust mixture screws. Sounds like you’ve done pretty much everything else. Only other thing I’ve heard is using only Honda jets if needed changed. Aftermarket jets aren’t quite up to Hondas standards.
Hook#3287:
https://www.google.com/aclk?sa=L&ai=DChcSEwiGpszBzbyPAxXoUn8AHYUZMF0YABAJGgJvYQ&co=1&gclid=EAIaIQobChMIhqbMwc28jwMV6FJ_AB2FGTBdEAQYAiABEgLQrPD_BwE&cce=1&sig=AOD64_1hezmyG2RueyDQiy8L8zM6T_4NXA&ctype=5&ved=2ahUKEwisycXBzbyPAxU6LtAFHQI_IgUQwg8oAHoECBgQCw&adurl=
I bought one of these but have yet to use it, so can't say it works correctly. Can't see why it wouldn't.
That or someone with very small hands :roll: :)
Pluggy:
Dan, to get started, examine those plugs. Remove one at a time, take a photo, and stick it back in. The smooth Valkyrie engine can hide a problem that may affect only one or two of the carbs. The bike may only need some basic adjustment. Not time to take it all apart, yet.
Did the bike ever give you milage in the 30's? If not, a previous owner may have all carbs out of adjustment. To determine if someone changed the jets, and not in a good way, it requires taking things apart.
An all-stock, no mods Valkyrie (mine), gets mid 30's MPG with "town and country" riding.
0leman:
You do have a problem. I ride mostly two lane back country (farm to market) type roads. Mostly keeping RPMs less than 3K. Also live/ride at 4000 feet elevation. I regularly get 37 mpg with a Valk that has 140K plus on the clock.
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