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Littlehog - Poor Mileage?

In order to get better advise or recommendations, please provide us with as much background on your bike as possible, like:

  • Stage 1 upgrades?
  • Stock or upgraded cams?
  • 93 octane gas?
  • How are you measuring the mileage?
  • Modifications made?
  • Tires on bike?
  • Last time A/C cleaned/replaced?
  • FI or carb?

Cheers,

TQ
 
TQuentin1 said:
In order to get better advise or recommendations, please provide us with as much background on your bike as possible, like:

  • Stage 1 upgrades?
  • Stock or upgraded cams?
  • 93 octane gas?
  • How are you measuring the mileage?
  • Modifications made?
  • Tires on bike?
  • Last time A/C cleaned/replaced?
  • FI or carb?

Cheers,

would help TQ
Click to expand...

TQ this is a great check list. Maybe somewhere when a new member signs on this list could be given as a guideline.
 
HDDon said:
Welcome to the forum. Can you give us some more info on the bike? Engine mods.? Riding solo or two up? Other mods. to the bike?
Click to expand...

HDDon said:
TQ this is a great check list. Maybe somewhere when a new member signs on this list could be given as a guideline.
Click to expand...

Stage 1 kit - Thunder Slide. Standard Dunlap Tires. Straight Shot VanNess pipes. After market fuel pitcock. Mileage is based on gas comsumtion vs. miles driven. No modification made to bike...AC cleaned 1 week ago (K&N)
 
Other than poor mileage how does the bike run? Do you know what low speed and main jet you're running?
 
HDDon said:
Other than poor mileage how does the bike run? Do you know what low speed and main jet you're running?
Click to expand...

The bike runs good. I do not know the jets that are in the carb. When bike was new got around 38-39 mpg and now down to 31-32 mpg. Nothing has changed expect bike is getting older. Mech looked at carb - could not find any problems except he indicated the slide was showning a little wear.
 
How many miles on the bike? Did the mileage drop all at once or little by little? Have you checked the compression and maybe done a leak down test? My FLSTC was running pretty good but with 130,000 miles the motor was getting weak and the gas mileage went south.
 
How old is the battery? And have it checked for both volts and amps.

Had good voltage on a two year old HD battery and lousy mileage on the Dyna, high 30s average. Had the battery checked, 110 cca instead of the 295 it started with. Mileage went to mid to high 40s after replacement.
 
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