Which umbrella do you prefer ?

2 Misano Circuit San Marino 2012 MotoGP
5 Brno Czech Republic 2012 MotoGP
15 Brno Czech Republic 2012 MotoGP
5 Indianapolis 2012 MotoGP
12 Laguna Seca United States 2012 MotoGP
21 Mugello Italy 2012 MotoGP
18 Mugello Italy 2012 MotoGP
25 Catalunya 2012 MotoGP
22 Estoril Circuit Portugal 2012 MotoGP
4 Aragon 2011 MotoGP
25 Indianapolis 2011 MotoGP
25 Brno Czech Republic 2011 MotoGP
26 Laguna Seca United States 2011 MotoGP
7 Assen Netherlands 2011 MotoGP
30 Estoril Circuit Portugal 2011 MotoGP
6 Phillip Island Australia 2010 MotoGP
6 Catalunya 2010 MotoGP
11 Assen Netherlands 2010 MotoGP
22 Jerez Spain 2010 MotoGP
32 Jerez Spain 2010 MotoGP
24 Estoril Circuit Portugal 2009 MotoGP
4 Donington Park Great Britain 2009 MotoGP
21 Jerez Spain 2009 MotoGP
5 Misano Circuit San Marino 2008 MotoGP
 

Ask Kevin: How are the Rod Bearings Lubricated in a Direct-Injected Two-Stroke Engine?

Ask Kevin: How are the Rod Bearings Lubricated in a Direct-Injected Two-Stroke Engine?

Question: I am a long-time reader, long-time rider, and long-time engineer, and I still manage to learn something new from almost every issue. In the last Cycle World, in the "Ask Kevin" column, Kevin Cameron writes that Bombardier and OSSA have DFI (direct fuel-injected) two-cycle engines. My...

Published on March 8 2014, 10:48
Source: www.cycleworld.com
 
 

Question: I'm curious how a fracture-split connecting rod is made. I suspect a sintered steel alloy is used, and that the material is somehow frozen or made cold enough to be rendered brittle. What exactly is the "wedge" used for the break? And I guess scribing marks are made on the inner... 

Question: I have been reading Kevin's articles since early Cycle. Something that always starts an argument is what oil to use: synthetic or dino. Any opinion on that, Kevin? Mark Moran From Cycleworld.com Answer: This is a frequently asked question. In a very few cases, there have been engines... 

It's long, it's weird, and it's no doubt polarizing. Welcome to the Travertson V-Rex, the topic of this week's Church of MO feature. The V-Rex is what happens when computer renderings based in science fiction turn into three-dimensional reality through creativity, clever engineering, and yeah, a... 

Question: Kevin, I enjoy your writing very much and over the years have learned a great deal. Thank you. My question concerns the tightening of threaded fasteners. I believe supplied torque values are, unless stated otherwise, for dry components. However, if dry threads during assembly don't... 

The new Indian Thunder Stroke 111 engine is running and I have seen it. Polaris Industries, a $3-billion-a-year corporation, bought the King's Mountain Indian business in April, 2011. What I have seen is an entirely new, free-standing design, sharing nothing with previous Indian revivals or... 

Last column, Skidmarks – (Excelsior-Henderson) X Factor, I related the curious case of die-hard Excelsior-Henderson fans, men and women who love their motorcycles and loyally keep them running, year after year. I chatted with a few of them to get an idea of why they liked the big V-Twins so... 

Now that 2013 is upon us, we here at Motorcycle.com have been stewing over all the new models with great anticipation, just as we do every year. Adventure bikes are the headliners this year, but whether you like cruisers or sportbikes, are new to the sport or have plenty of miles in the saddle,...