Motorcycle Steering Bearings
One of the most difficult, if not THE most difficult engineering challenges that motorcycle research
The End of an Era
I got word from Vey’s Powersports here in El Cajon, California the other day that 2018 is the final
DR650 and KLR650: Stock Air Filters Are No Good
In the spring of 1990 I purchased my first KL650A, a 1989 model with less than 500 miles on the speedometer.
Necessary Improvements For Your DR650SE
Rod Morris, proprietor of MMP (Multisurface Motorcycle Products) on this website is a very knowledgeable
Protect Your Suzuki DR650SE Starter Torque Limiter!!!
Sixty-two years and more than a million miles later, the best motorcycle I’ve ever owned is sitting
Rake and Trail: You Better Get It Right!
A few weeks ago while riding on a remote Cleveland National Forest road, I came upon a guy standing next
Motorcycle Engine Break-In
I have no idea how many motorcycle engines I have broken in since I bought my first, a Triumph in 1955.
Tire and Rim Fitment: It
Rod Morris, proprietor of MMP on this website, is sometimes asked about tire and rim fitment guidelines.
Lowering Links: Be Careful!
Rod Morris, proprietor of Multisurface Motorcycle Products on this website,
LED Tail Light Failure
I ride my motorcycle down to Mexico almost once a week. Besides being an enjoyable ride, it gives me
Rake and Trail Numbers Do Matter
I get kidded a lot because of my obsession with rake and trail settings on modern
What? Another Chain Master
Back in the last century I purchased my first KLR650 in the spring of 1990 with the intention of developing
The DR650SE: Reliability Is Its Middle Name
We recently heard from Emily and Jay Wilgus, who are continuing on their ride from
Stock Air Filters Suck!
Come to think of it, all air filters suck air. The problem is that some of them suck more than air. Not
Chassis Wear
When we think about a motorcycle frame we normally are thinking of an item to which engine, swing arm
Speedo Cable Service
Japanese speedos are very reliable as long as you don
Oil and Oil Filter Replacement
Way back in ancient times before synthetics and motorcycle specific oils, some folks used to change the
KLR Rear Suspension and Chain Control
As I sit here in my favorite Subway restaurant (#40249) at the corner of Avocado Ave. and Hwy 94, my
More on Final Gearing
Every two or three weeks I ride down to Ensenada and stay overnite at Hostel Sauzal at 344
Air Filtration
Some guy on one of the Internet sites wrote recently that I had been riding off road bikes since before
KLR650 Chain Adjustment Revisited
Back in the last century (1990) when I purchased my first KLR650 (1989 A-3), one of the first things
KLR Valve and Balancer Adjustments
Between 1990 and 1992 I hated my 1989 KL650 so much I almost sold it. I saw no possible way I was going
Mileage! Smileage!
For years I
Mis-drilled Shaft Hole
The Skipper recently gave me a print out concerning a factory machining error in the inner left cover
