BMW K1200RS ABS Lights

A reader with a BMW K1200RS can't figure out why his motorcycle's ABS lights keep flashing.

Rattling 1999 BMW R1100R

Keith Fellenstein offers suggestions on how to trace the source of a rattling sound in a 1999 BMW R1100R.

KTM 250MX Starting Troubles

Motorcycle Classics’ tech expert Keith Fellenstein advises a reader who has trouble starting a 1986 KTM 250MX.

BSA Firebird Scrambler Diagnosis

Motorcycle Classics’ tech expert Keith Fellenstein addresses a BSA Firebird Scrambler with an electronic ignition that won’t start.

Problem Checking Coolant Level

Motorcycle Classics’ tech expert Keith Fellenstein advises a reader who has trouble checking coolant levels.

Vetter Shields

If your vintage Vetter Windjammer windscreen is cracked or broken, check out Minnesota-based Slipstreamer, which has been supplying Vetter replacement windscreens since 1975.

Stuck Allen Bolt

Keith attempts to help a reader with a stuck Allen bolt.

1981 Honda GL500 Guidance

Motorcycle Classics’ tech expert Keith Fellenstein discusses a possible fuel delivery problem on a 1981 Honda GL500.

Triumph Bonneville Gas Tank

Motorcycle Classics’ tech expert Keith Fellenstein explains hot to remove a gas tank on a Triumph Bonneville.

1977 Yamaha XS650D

Motorcycle Classics’ tech expert Keith Fellenstein explains the intake silencers on a 1977 Yamaha XS650D.

1974 Triumph Trident Troubles

Motorcycle Classics’ tech expert Keith Fellenstein helps diagnose a 1974 Triumph Trident that is running rough.

CDI Units for Honda 1982 Sabre

Motorcycle Classics’ tech expert Keith Fellenstein helps find replacement CDI units for a 1982 Honda Sabre.

Engine Assembly Grease

Motorcycle Classics’ tech expert Keith Fellenstein explains the difference between engine assembly grease and motor oil.

Honda CB900C Blue Pipe

Motorcycle Classics’ tech expert Keith Fellenstein looks for the cause of blued pipes on a Honda CB900C.

Spark Plug Rethread

Stripped spark plug threads? Don’t worry, the editors of Motorcycle Classics have you covered with a simple How-To on repairing stripped spark plug threads by installing a thread insert.

Primer on Motorcycle Valve Trains

Ever wonder why it matters where the camshaft on a four-stroke engine is located? This primer on motorcycle valve trains gives the answer.

Welcome to Tech Corner

An introduction to Tech Corner, a technical Q and A blog for classic motorcycle maintenance and repair. 

Replacing Honda CB500 speedometer and tachometer face plates

If you’re old Honda has spent any time in the sun, it’s a pretty good bet the speedometer and tachometer face plates are cracked and faded. Thirty-some odd years out in the elements will do that to a bike. The good news is, you can make those face plates look like new – or give them a personalized look – and it’s not as hard as you think.

Word power

It is all in the semantics… “Restoration” invokes images of powder-coated frames and blue-printed motors – the end result being a vehicle that shows significantly more precise and expert attention to detail than the original ever could. I’ve never attempted to go that far with any project… 

Project Café: 1973 Honda CB500, Part 4

This month, we chose two “How-To” projects: upgrading to tapered steering head bearings and installing our fancy new rear swingarm bushings.

Maintenance Oversights

As you may have gathered from earlier columns, I do enjoy tinkering with my bikes. This goes without saying if one rides a less-than-very-new motorcycle. I have managed to make most of the common blunders while attempting general maintenance, and probably invented a few more along the way. 

The Joy of a Workshop

It is a nasty sleety kind of winter day and I am sitting in my shop, tea in hand, just contemplating all things motorcycle. 

Motorcycle Tech Tips: Get Your Motor Running

As a general rule, motorcyclists have a higher than average understanding of what makes their machinery tick. For classic bike owners, part of the fun of owning older iron is the opportunity to learn more about their machines and how to keep them running. If you’re trying to sort out carburetion issues, a recent tech tip from the folks at Randakk’s Cycle Shakk will help guide you down the road to success – and get you back on the road.

I Can't Leave Well Enough Alone

Our editor-in-chief starts out intending to perform small repairs and ends up doing a full overhaul. He admits he can't leave well enough alone.