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TAG : how-to

Rebuild Honda CB350 Keihin CV Carburetors

Owners who shy away from rebuilding their own carburetors might be surprised to find it’s often a fairly straightforward proposal. The carburetors on most of our old bikes are quite simple, and experience says that success hinges on two key issues: cleanliness and thoroughness.It takes more ...

Replace Suzuki GS1100 Clutch Plates

The clutch: Always used, often abused, it doesn’t get the respect it deserves. That’s somewhat ironic, given the clutch’s role in ensuring you get from A to B. Yet it’s somewhat understandable, as clutches are typically undercover and out of sight — and out of mind.The typical ...

Replace Yamaha 2-Stroke Carburetor/Oil Pump Cables

If you’ve replaced carburetor throttle cables on a vintage 4-stroke engine, you know that the basic process is relatively simple. The complicating factor for anything other than a single-cylinder engine is making sure the carburetor slides are synchronized to each other so they pull off idle ...

Install a Smiths Digital Speedometer

Instrument failure is a familiar issue on vintage bikes. Smiths speedometers and tachs, used on the majority of British bikes up through the late 1970s, are generally reliable. Yet with age, failure becomes increasingly common. Specialty vendors can restore many of them, and while an excellent ...

Pressure Check a 2-Stroke Engine

Owners familiar with 4-stroke motorcycle engines often find themselves at a loss diagnosing poorly running 2-stroke engines. A 2-stroke engine is simpler (no camshaft, valves or valve gear), so by extension that should make it easier to work out issues with poor performance. The frustration ...

Synchronize Carburetors on Small Honda Fours

Carburetor synchronizing is something many owners prefer to avoid. Chalk it up to a fear of undue complexity or just plain getting it wrong, it’s a job otherwise capable weekend mechanics typically decide to turn over to more experienced hands. That’s certainly a wise move if you’re ...

Tune Up a BMW /5 Airhead Engine

Last time, we showed you how to adjust the valves on a BMW /5 airhead twin. Valve adjustment is the first step in a comprehensive tune up, followed by replacing the ignition points, spark plugs, air filter, and setting timing. While replacing ignition points and setting ignition timing can be a ...

1973 Yamaha RD350 Crankshaft Replacement

New RD350 crankshaft installed in case with original crankshaft at left.It’s funny – and not always in a “ha ha” way – how often simple projects go off course, taking unexpected and typically expensive detours. In our How-To in the March/April 2015 issue, we walked through the process ...

Adjust the Valves on BMW /5 Airhead Engines

If you own any one of BMW’s /5 twins from the Seventies you’re in good company, because when it comes to basic maintenance, few motorcycles are easier to work on. Simple and robust, they’ve become the poster child for sound German engineering.Yet, like any machine, they require routine ...

2015 Royal Enfield Continental GT Maintenance

 Royal Enfield pitches its retro-inspired motorcycles as simple, down-to-earth machines. Powered by an overhead valve, single-cylinder engine and designed to appeal to novice and experienced riders alike, they promise ease of riding and maintenance thanks to their straight-forward ...

Motorcycle Classics Magazine

Featuring the most brilliant, unusual and popular motorcycles ever made!