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You are here: Home  /  Technical Insights

06/252020

Motorcycle Steering Bearings

Motorcycle Steering Bearings

By: Elden In: Technical Insights No Comment

One of the most difficult, if not THE most difficult engineering challenges that motorcycle research

01/212019

The End of an Era

The End of an Era

By: Elden In: Technical Insights No Comment

I got word from Vey’s Powersports here in El Cajon, California the other day that 2018 is the final

10/222018

DR650 and KLR650: Stock Air Filters Are No Good

DR650 and KLR650: Stock Air Filters Are No Good

By: Elden In: Technical Insights No Comment

In the spring of 1990 I purchased my first KL650A, a 1989 model with less than 500 miles on the speedometer.

05/272018

Necessary Improvements For Your DR650SE

Necessary Improvements For Your DR650SE

By: Elden In: Technical Insights No Comment

Rod Morris, proprietor of MMP (Multisurface Motorcycle Products) on this website is a very knowledgeable

11/272017

Protect Your Suzuki DR650SE Starter Torque Limiter!!!

Protect Your Suzuki DR650SE Starter Torque Limiter!!!

By: Todd In: Technical Insights No Comment

Sixty-two years and more than a million miles later, the best motorcycle I’ve ever owned is sitting

09/282017

Rake and Trail: You Better Get It Right!

Rake and Trail: You Better Get It Right!

By: Elden In: Technical Insights No Comment

A few weeks ago while riding on a remote Cleveland National Forest road, I came upon a guy standing next

05/262017

Motorcycle Engine Break-In

Motorcycle Engine Break-In

By: Elden In: Technical Insights No Comment

I have no idea how many motorcycle engines I have broken in since I bought my first, a Triumph in 1955.

01/262017

Tire and Rim Fitment: It’s Important!

Tire and Rim Fitment: It’s Important!

By: Elden In: Technical Insights No Comment

Rod Morris, proprietor of MMP on this website, is sometimes asked about tire and rim fitment guidelines.

08/032016

Lowering Links: Be Careful!

Lowering Links: Be Careful!

By: Elden In: Technical Insights No Comment

Rod Morris, proprietor of Multisurface Motorcycle Products on this website, recently told me about a

04/102016

LED Tail Light Failure

LED Tail Light Failure

By: Elden In: Technical Insights No Comment

I ride my motorcycle down to Mexico almost once a week. Besides being an enjoyable ride, it gives me

03/062016

“Slime” Failure

“Slime” Failure

By: Elden In: Technical Insights No Comment

Over the past 60 years and over a million miles of motorcycle riding, I can only remember suffering a

11/182015

Rake and Trail Numbers Do Matter

Rake and Trail Numbers Do Matter

By: Elden In: Technical Insights No Comment

  I get kidded a lot because of my obsession with rake and trail settings on modern motorcycles:

09/082015

What? Another Chain Master

What? Another Chain Master

By: Elden In: Technical Insights No Comment

Back in the last century I purchased my first KLR650 in the spring of 1990 with the intention of developing

07/122015

The DR650SE: Reliability Is Its Middle Name

The DR650SE: Reliability Is Its Middle Name

By: Elden In: Technical Insights No Comment

We recently heard from Emily and Jay Wilgus, who are continuing on their ride from Ann Arbor, Michigan

06/012015

Terms Do Matter

Terms Do Matter

By: Elden In: Technical Insights No Comment

I’ve coined two phrases relating to motorcycles, neither of which I expected to catch on. The first

05/012015

DR650SE Improvements for Reliability

DR650SE Improvements for Reliability

By: Elden In: Technical Insights No Comment

As I’ve said before a properly set up air-cooled DR is the most reliable multisurface motorcycle you

04/042015

DR650SE: Failures and Fixes

DR650SE: Failures and Fixes

By: Elden In: Technical Insights No Comment

I’ve logged nearly a quarter of a million miles on DR’s since 1990, but it wasn’t until 2002 that

01/012015

Stock Air Filters Suck!

Stock Air Filters Suck!

By: Elden In: Technical Insights No Comment

Come to think of it, all air filters suck air. The problem is that some of them suck more than air. Not

12/012014

Chassis Wear

Chassis Wear

By: Todd In: Technical Insights No Comment

When we think about a motorcycle frame we normally are thinking of an item to which engine, swing arm

11/012014

Speedo Cable Service

Speedo Cable Service

By: Elden In: Technical Insights No Comment

Japanese speedos are very reliable as long as you don’t abuse them or store them upside down. However,

09/012014

Oil and Oil Filter Replacement

Oil and Oil Filter Replacement

By: Elden In: Technical Insights No Comment

Way back in ancient times before synthetics and motorcycle specific oils, some folks used to change the

07/012014

Motorcycle Oil Consumption

Motorcycle Oil Consumption

By: Elden In: Technical Insights No Comment

Back in 2008 Top Gun Motorcycles purchased a new Kawasaki KLR650-E model which turned out to be a lemon. 

04/022014

KLR Rear Suspension and Chain Control

KLR Rear Suspension and Chain Control

By: Elden In: Technical Insights No Comment

As I sit here in my favorite Subway restaurant (#40249) at the corner of Avocado Ave. and Hwy 94, my

03/012014

More on Final Gearing

More on Final Gearing

By: Elden In: Technical Insights No Comment

Every two or three weeks I ride down to Ensenada and stay overnite at Hostel Sauzal at 344 “L” Street

02/012014

Air Filtration

Air Filtration

By: Elden In: Technical Insights No Comment

Some guy on one of the Internet sites wrote recently that I had been riding off road bikes since before

01/142014

KLR650 Chain Adjustment Revisited

KLR650 Chain Adjustment Revisited

By: Elden In: Technical Insights No Comment

Back in the last century (1990) when I purchased my first KLR650 (1989 A-3), one of the first things

08/012013

KLR Valve and Balancer Adjustments

KLR Valve and Balancer Adjustments

By: Todd In: Technical Insights No Comment

Between 1990 and 1992 I hated my 1989 KL650 so much I almost sold it. I saw no possible way I was going

07/012013

Mileage! Smileage!

Mileage! Smileage!

By: Elden In: Technical Insights No Comment

For years I’ve carried in my wallet a small laminated 50 word paragraph from an article written by

06/012013

Mis-drilled Shaft Hole

Mis-drilled Shaft Hole

By: Elden In: Technical Insights No Comment

The Skipper recently gave me a print out concerning a factory machining error in the inner left cover

05/012013

Maintenance Tip (KLR650/DR650)

Maintenance Tip (KLR650/DR650)

By: Elden In: Technical Insights No Comment

“Grease your long bolts”   If you don’t like rust on your cross bolts, it’s best to apply a

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