| |
 |
Understanding Bore and Stroke
By Tim Dickson on 05/11/2010 16:38:16
Your engine's bore and stroke dimensions play a vital part in the way it produces power. Here's how
. 'It's got radial brakes so it stops better!' we said. 'It's got underseat exhausts so it looks better!'. 'It's got a shorter stroke and a wider bore so it revs higher!' Okay, so it has. But how? And why? We churn out bore and stroke figures in our tech
|
|
 |
Four-stroke GP retrospective
By Visordown on 16/09/2010 09:53:15
MotoGP is about to see another change with a move to a 1000cc engine limit, this change is seen with excitement. Here we look back at the trepidation of the four-stroke GP before the class changed in 2002
Back in 2002 MotoGP shifted away from the 500cc two-stroke that had been the mainstay of the class for many years. From their introduction the 990 four strokes put on an exciting show for the adoring audience, but following safety concerns the 990s
|
|
 |
New Norton Villiers two-stroke
By Visordown News on 23/06/2011 15:19:00
British firm aims to breath new life into the two-stroke
NORTON VILLIERS – not to be confused with the reborn Norton bike brand – is set to reveal a new take on the two-stroke engine concept in the near future.The firm claims to have developed a new motor that has all the two-stroke benefits
|
|
 |
Bill Gates invests in 2-stroke engine tech
By Visordown News on 14/07/2010 18:05:00
The King of Geeks backs company that could see a return to reliable and efficient two-stroke power
BILL GATES has joined the list of technology big hitters who are investing in green technology.Gates and Sun Microsystems co-founder Vinod Khosla have jointly invested £23.5 million into Detroit-based firm EcoMotors who are developing a two-stroke
|
|
 |
Class of '75: 750cc two strokes
By Simon Bowen on 09/09/2009 17:49:16
The mid ‘70s was a time of contradiction and mayhem: Giant 2-strokes despite the fuel crisis, legends based on notoriety, little or no consideration for health and safety and the emphasis based purely on thrills. Happy days...
It seems crazy now to think that with the introduction of the incredibly successful Honda 4-stroke 750 back in ’68 that their rivals would even consider developing 2-stroke technology. But not only did they consider it, they decided to go ahead
|
|
 |
First Look: 2009 Husqvarna 250 MX 4-stroke
By Visordown News on 04/08/2008 11:45:34
Ex-World MotoX champion tests Husky's new 250 4-stroke lightweight
Andrea Bartolini in actionFORMER WORLD 500cc MotoX champion Andrea Bartolini has been busy testing the 2009 Husqvarna 250 MX 4 stroke.Produced in Italy, the 250cc 4-stroke powerplant features four titanium radial valves. The company claim the engine
|
|
 |
New 500cc 2-stroke motor revealed
By Visordown News on 21/03/2008 09:36:33
Fresh from Poland, this stunning custom-built bike breathes a whole new life into the diminishing world of smokey 2-strokes
Bloody hell - how cool is that?Stunning quality fresh from Eastern EuropeA POLISH design company has developed and patented a new engine, and designed this radical motorcycle around it. The JJ2S X4 500 is a 2-stroke, 500cc radial lump housed in a
|
|
 |
Two-strokes will be axed from GPs in 2012
By Visordown News on 28/06/2010 09:42:42
Here comes the Moto3 class, we're not holding our breath.
TWO-STROKES are likely to be out of GP racing from the end of next year, with the 125cc class to be axed in favour of Moto3.This was the news from a GP Commission meeting at Assen, where manufacturers, Dorna and the FIM are close to agreement
|
|
 |
Ilmor develop 5-stroke motor. What?
By Ben Cope on 12/08/2009 14:42:31
They may not have had the best track record with bikes, but Ilmor's new 3-cylinder motor could be the future
-stroke motor.The Ilmor 5-stroke prototype uses a 700cc turbocharged engine, with a fairly average peak power of 130bhp at 7000rpm, but a monster 120ft/lb of torque at 5000rpm.The engine uses two overhead camshafts, one is high pressure, the other low
|
|
 |
Red Bull gives you - a stroke?
By Visordown News on 15/08/2008 12:03:58
Australian medical report makes worrying reading for fans of popular energy drink
SPONSORS OF this year's US MotoGP round at Laguna Seca, Red Bull, are in the spotlight after a recent medical study in Australia stated that drinking just one can of Red Bull energy drink may be enough to dramatically increase the risk of developing life-threatening blood clots, ...
|
|
