Internally Collapsed Header on Honda GL1000?

Internally Collapsed Header on Honda GL1000?

Collapsed GL1000 Header

Example courtesy of Steve Seamans of NGWClub Forum

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One in a Million! Allan Zahrt’s Million Mile GL1000

How many million mile motorcycles are there?  Answer below. Read on!

July 2017

Allan Zahrt with his Million Mile GL1000!

In the early seventies Honda launched without fanfare an ambitious project. Internally, Honda had a bold plan: to build the world’s best motorcycle. Not just the best Japanese motorcycle  – the best motorcycle available anywhere in the world. Period! The eventual result of this project was revealed to the world at the Cologne, Germany International Motorcycle Show (INTERMOT) in October, 1974 as the GL1000.

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“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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Honda GL1000 Timing Advance Unit Details

OEM Honda Timing Advance Unit Details:
Honda-GL1000-Ignition-Advancer

This simple device is critical to proper ignition function on Honda GL1000s!
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Carb Cleaning (in situ lazy method)

You might consider Randakk’s GL1000 Carb Rebuild Video

Yamaha Carb Cleaner

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Fuel Filter Mounting Tips

Randakk’s High Performance Fuel Filters have many technical advantages and are super easy to install as demonstrated in this short video by by Shasta Smith – the Vintage Monkey.

More details on Randakk’s High Performance Fuel Filters here.

Reasonable Part Substitutions for Honda GL1000s

You can never go wrong with OEM Honda parts. Fit, function, and reliability are never an issue. If you have a show bike, authenticity requirements dictate that you stick with Honda parts wherever possible. Of course, if show judges are looking at things like your timing belts, then you have bigger problems!

The following chart lists reasonable substitutes that have performed well for me and many others. This information is available elsewhere, but I decided to post it here for convenience since I’m often asked. Prices are considerably less than the equivalent Honda parts.

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Kickstarting a ’75-’77 Honda GL1000

Starters are very reliable on GL1000s, but it’s nice to have a back-up. The back-up kick start lever is found only on ’75-’77 models. Honda deemed this extravagant redundancy was unnecessary and dropped the feature on later models.  I’ve actually needed the kickstarter on several occasions to make it home when some aspect of the very reliable electric starting system failed. I also use my kick starter for another reason: it’s a good test of your bike’s overall state of tune. If it will start with the kick start lever, then you have a well tuned bike! There are many maintenance operations (like setting timing) where the kick starter provides some nice convenience.

hondagoldwing-1976-8-1024x682

Kick Start Lever Storage Location [Read more…]

Early vs. Late Carb Mixing and Matching / Honda GL1100 Carbs on Honda GL1000? + Honda GL1000 Carb Specs

You might consider this item: Randakk’s GL1000 Carb Rebuild Video

GL1000 Carb Interchange Issues

JoukoCarbs3

Honda GL1000 Carbs Restored by Randakk Customer Jouko Tomminen of of Lahti, Finland

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Honda GL1000 Water Pump R&R Details

Front Cover

“Prepped” Front Cover – viewed from rear. Note crucial by-pass oring detailed below.

(Special thanks to Art Jernberg for improving the captions above.)

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