“Insensitive” Idle Mixture Fuel Screws?

I often field this common complaint: 

“I’ve noticed that turning the idle mixture screws nets different results on each of the individual carbs on my Honda GL1000:

  • #1 will kill the motor if turned all the way in
  • #3 has NO EFFECT on engine speed regardless of where it is set
  • #2 has what might be considered a “normal” effect
  • #4 has only a very slight effect if any at all

What does this mean????? I’m a bit confused?  Help please!!!!”

GL1000 Idle Fuel Mixture Screws

GL1000 Idle Mixture Fuel Screw

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“Reversed” Front Brake Calipers on Vintage Hondas?

On some bikes (including the Honda GL1000), the front calipers can actually be installed on the wrong side!  Front brake calipers on all bikes must be installed with the bleed screw "up." This simple requirement can get corrupted when brake parts … [Continue reading]

Randakk’s Vintage Honda Race Team Sponsorships

Randakk's Cycle Shakk is the Class Sponsor for AHRMA's Vintage Superbike Lightweight Class. This is a hyper-competitive class filled with many talented riders. For many years, the class was dominated by the mighty Honda FT500 Ascot … [Continue reading]

Honda GL1000 Timing Advance Unit Details

OEM Honda Timing Advance Unit Details: This simple device is critical to proper ignition function on Honda GL1000s! … [Continue reading]

JIS Screwdrivers for Vintage Japanese Motorcycles

Did you know?  Every 'cross-point" screw on every Japanese designed motorcycle from the 1950s right up to the newest bikes in the showroom today were manufactured with a unique JIS screw head design we don't see on products made here in North … [Continue reading]

The Single Most Common Carburetor Problem (Clogged Pilot Jets) and How To Fix – by Ari Henning

I'm happy to share this excellent video tip created by Ari Henning of Motorcyclist Magazine. Ari is a notorious AHRMA road-racer and all-around swell guy! This is excellent information. … [Continue reading]

Randakk’s Jetting Advice For Vintage Honda CV Carbs

Whenever I’m asked about "jetting" issues on vintage Honda carbs - here’s my strong advice: … [Continue reading]

Randakk’s Approved Carb Rebuilder Program

For Honda GL1000 / GL1100 / GL1200 / GL1500 / CBX / CX500 / DOHC-4 / FT500 Please read: Disclaimers Visit our website for Master Carb Overhaul Kits and other items … [Continue reading]

Randakk’s Amazing Grips – Install Tips for Motorcycle Grips

Another Gripping Randakk Video presentation: Watch on YouTube for best results. … [Continue reading]

More on Fuel And Fuel Additives – Fear the Corn?

Warning: Controversial Material! I grew up in a farm family in the South, so I'm very fond of corn. Of course I like grits, but my favorite form of corn is high quality bourbon! I have personally benefited from crop subsidies and understand the … [Continue reading]