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.

Rear Wheel Damper Replacements for Honda CBX, Honda DOHC-4 “F” and Honda VF Bikes

J.R. Luksik of CBX-tras has created superb NEW reproductions of Honda’s discontinued rear wheel dampers for Honda 6 Cylinder CBX, DOHC-4 “F” and VF Bikes.

CBX-tras Wheel Dampers 1a

 

 

 

 

 

 

 

 

 

 

I was happy to assist with a little R&D assistance …mainly by hacking up an old wheel! 🙂

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Replacing Throttle Shaft “Felts” on Honda GL1000, GL1100, GL1200, DOHC-4, CBX, CX500, etc.

Replacing Throttle Shaft “Felts” on GL1000, GL1100, GL1200, DOHC-4, CBX, CX500, etc.

Felt Replacement

Throttle Shaft Felt Replacement  (photo courtesy Aaron Williams of Dude’s Garage)

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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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Honda GL1000 Coil and Spark Plug Cap Testing + Replacement Options

Coils are fabulously simple devices that work reliably and can last for decades with virtually no maintenance. I like to think of them as electricity “amplifiers.” When the breaker points open, the magnetic field produced by the primary windings collapses. Through the magic of induction, this collapse creates an energy force within the secondary windings of the coil. Since the number of windings is much greater on the secondary side, nominal battery voltage (roughly 12V) is multiplied to an incredible 8,000+ volts! This energy immediately finds a path to ground via the spark plugs…arcing helpfully in the process. Voila – we have ignition!

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Shade Tree Diagnostic Tests!

I was very fortunate to grow up in a neighborhood and farm family full of excellent shade-tree mechanics. Mostly they were short on cash and long on resourcefulness.

I learned quite a lot by pestering these very talented home-gown mechanics. 

Shade Tree Mechanics

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Tips on Buying a Used Honda GL1000

Introduced in 1975, the Honda GL1000 was a stunning technical achievement. The original, unfaired GoldWing was the world’s biggest, heaviest and second fastest bike available at the time (only the mighty Kawasaki Z1 was swifter). Novel features included a liquid-cooled flat four engine, belt-driven overhead cams, shaft drive, triple disk brakes, under-seat fuel tank, counter-rotating alternator, two oil pumps, “floating” piston pins, faux top shelter “tank” and detachable back-up kick-start arm to mention a few. Honda used the GL1000 to showcase its considerable engineering prowess and put other motorcycle marques on notice that it was a force to be reckoned with. For the first time ever, there was heavy collaboration between Honda’s motorcycle and automotive engineering teams on the ’75 Wing.

Honda GL1000 / GL1100 / GL1200 Head Gasket Details

Head gaskets on early ‘Wings are ultra reliable. The vast majority of these bikes are still running flawlessly on the original, factory-installed head gaskets which are now 30+ years old. Rare failures are usually caused by inattention and poor maintenance to the cooling system. But, a simple case of overheating can ruin your head gaskets. Warped heads are also a possibly outcome of overheating!

Head Gaskets

GL1000 Cylinder Head and OEM Honda Head Gasket

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Vintage Motorcycle Carbs – Lean vs. Rich?

Carb Adjustment, Lean or Rich

Experienced wrenches sometimes forget that we operate with a set of understandings that becomes so ingrained as to become second nature. I don’t normally rely on gizmos like the K&N Air Fuel Monitor shown on my supercharged GL1000 (above). But since things happen so quickly on that bike, it’s a useful and entertaining tuning aid.

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