Motorcycle Gasket Basics


A typical bike engine contains around three litres of oil, and one of the biggest challenges to engineers over the years has been to keep that oil where it should be.

There are many joints between the various engine castings, and nearly every one needs some means of preventing fluids from escaping. In an ideal world, every joint face would be perfectly flat, smooth and perfectly aligned with its opposite number. Furthermore, when the bolts were tightened no distortion of the joint would take place and they would remain perfectly tightened throughout the life of the bike. Unfortunately, we do not live in an ideal world and this is where gaskets come in.

The aim of a gasket is to provide a little elasticity to absorb the imperfections found at the joint surfaces. Typically, gaskets are made from a mixture of fibres, such as paper or asbestos, held within synthetic rubber such as nitrile. Nowadays asbestos is no longer favoured and more use is made from up-todate materials such as carbon fibre, PTFE and Kevlar.

To read the rest of the article, download the pdf: Motorcycle Gaskets 101 PDF

April 6th, 2012 by grail21 in Uncategorized, How To | No Comments

Greasebag Flyers & Posters

I’m sending out flyer & poster packs on Monday. If you can help with passing out flyers to your friends or dropping off a stack at your local shop or bike nite, email me your address and I will send you a stack, plus a couple of posters.
email me at

May 13th, 2011 by grail21 in Uncategorized | No Comments

Smokeout 2008 : Photo : 236

Motorcycle Building

February 16th, 2009 by grail21 in Uncategorized | Comment (1)

Smokeout 2008 : Photo : 233

Chopper Building

February 13th, 2009 by grail21 in Uncategorized | No Comments

Biker Radio Magazine


I’ve heard a couple podcasts / online radio shows geared towards bikers or “motorcyclists” in the past and to say they’ve been a let down would be an understatement. I just recently came across Biker Radio Magazine and I’m glad to say that finally someone is doing it right. It’s definitely geared more towards the home builder and do-it-yourselfer, which is right up my alley. Ken - the host - puts together a great show full of lots of interesting interviews and with a level of professionalism not usually heard in these types of endeavors. No ads either, just straight moto-talk - although I won’t be surprised if that changes in the future. Great for gearheads and greasebags. They’ve put out 5 shows so far, each on a specific topic - from land speed records to tech to one off parts - all good stuff. Check it out at you won’t be disappointed.

December 12th, 2007 by grail21 in Uncategorized, Motorcycle Websites | Comments (2)