Motorcycle Steering Bearings
One of the most difficult, if not THE most difficult engineering challenges that motorcycle research
Your Riding Safety Depends on Good Information
I began riding and working on motorcycles in 1955 after completing my Korean war service, and now more
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
Tough Tanks From IMS
In late July of this year (2018) I was riding in the eastern San Diego County mountains when I encountered
Multi-Surface Motorcycling Reaffirmed
When I coined the phrase Multi-Surface Motorcycles years ago, I didn’t expect it to catch on like
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.
2018 DR650SE – What’s new?
I wandered in and out of motorcycle shops in San Diego county, studying all the new models of every available
Necessary Improvements For Your DR650SE
Rod Morris, proprietor of MMP (Multisurface Motorcycle Products) on this website is a very knowledgeable
Shocks and Springs and Things
We are fortunate to have Rod Morris and Multisurface Motorcycle Products on this website. Not only has
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.
Pauline’s 89th Birthday Ride to Cabo
This ride took place earlier in 2016 but we didn’t want to post it until we had the final product
Lowering Links: Be Careful!
Rod Morris, proprietor of Multisurface Motorcycle Products on this website, recently told me about a
LED Tail Light Failure
I ride my motorcycle down to Mexico almost once a week. Besides being an enjoyable ride, it gives me
More on Knobby Shod Sports-Tourers
In November 2015 Mike Henshaw and I took a ride to Baja with an overnight stay at Maria Navarro’s
Old Folks Off-Road Technique
(Editor’s Note – I haven’t ridden a motorcycle for over a year now due to personal
Rake and Trail Numbers Do Matter
I get kidded a lot because of my obsession with rake and trail settings on modern motorcycles:
Jay and Emily on the Move Again
The other day Pauline and I had a nice surprise when Jay and Emily Wilgus and Jay’s mom Linda dropped
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 Ann Arbor, Michigan
Terms Do Matter
I’ve coined two phrases relating to motorcycles, neither of which I expected to catch on. The first
DR650SE Improvements for Reliability
As I’ve said before a properly set up air-cooled DR is the most reliable multisurface motorcycle you
The KISS Principle – You’d Better Believe It!!
The person who came up with the slogan “Keep it simple, stupid” knew what he was talking about.
DR650SE: Failures and Fixes
I’ve logged nearly a quarter of a million miles on DR’s since 1990, but it wasn’t until 2002 that
Light Is Right, Even If You’re Not a Kiwi
When Kawasaki added another 25 or so pounds to the front of the already heavy KLR 650 in 2008, it ostensibly
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
It’s a Small World
It Is Indeed a Small World. The other day I took off on one of my short mountain loops of about 50 miles.
Speedo Cable Service
Japanese speedos are very reliable as long as you don’t abuse them or store them upside down. However,
