BMW K bikes (Bricks)

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Two Wheels Better


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Mysteries of Lubrication ~ KC

Peaks will hit peaks and the resulting metal-to-metal contact will produce a shower of damaging wear particles. Failure soon follows.

- Kevin Cameron

    

Two Wheels Better

Two Wheels Better
Moderator
Moderator
Yvon DuHamel Dies at Age 81 ~ KC


Gary Nixon  asked him, “Whyn’t you pass him when you had the chance?” Cliff answered, “Because I didn’t want to find out what he’d do if I did.”


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1970 R60/5, OZ '77 R75/7-R100, '85 K100'87 K75C, OZ '87 K100RS, '93 K11-K12 Big Block, '93 K1100RS, '95 R100-Mystic, '96 K1100RS, '98 K1200RS, '00 K1200RS, '02 K1200RS, '03 K1200GT, '04 R1150R'04 R1150RT, '05 K1200S, '06 K1200R, '07 K1200R, '09 K1300GT & 2013 R1200RT-P  - Beemers owned still or sold.

~We all believe what we want to believe in - Rob Dickinson
    

Two Wheels Better

Two Wheels Better
Moderator
Moderator
Treasures & Scrap ~KC

Why we value the bikes we do.

"...people old enough to know and want such things are now also old enough to be considering the final forwarding address. The market isn’t rising. All that can be hoped for is that someone will have enough interest to give them a place indoors."


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1970 R60/5, OZ '77 R75/7-R100, '85 K100'87 K75C, OZ '87 K100RS, '93 K11-K12 Big Block, '93 K1100RS, '95 R100-Mystic, '96 K1100RS, '98 K1200RS, '00 K1200RS, '02 K1200RS, '03 K1200GT, '04 R1150R'04 R1150RT, '05 K1200S, '06 K1200R, '07 K1200R, '09 K1300GT & 2013 R1200RT-P  - Beemers owned still or sold.

~We all believe what we want to believe in - Rob Dickinson
    

Two Wheels Better

Two Wheels Better
Moderator
Moderator
Keeping Engines Cool ~ KC

"As observed by the late F1 engine designer Keith Duckworth , everything improves when you put four valves in place of two. Think of the effect on the distance from the hottest part of the valve — its center — to the valve seat through which most heat flows out of the valve. That distance becomes much shorter for two small exhaust valves than for a single larger one of the same area."

Keeping Engines Cool Part II ~ KC

Keeping Engines Cool Part III ~ KC

"As engine output continued to climb, measurements showed a steep temperature gradient in the traditional iron liners used in so many aluminum cylinders. If designers could get rid of that steep gradient, piston temperature would drop by a significant amount. So with a clatter, those iron liners, dignified though they were by 100 years of use, went into history’s dumpster.  They were replaced by very thin layers of hard plating—chromium at first, then more durable Nikasil and other coatings ."


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1970 R60/5, OZ '77 R75/7-R100, '85 K100'87 K75C, OZ '87 K100RS, '93 K11-K12 Big Block, '93 K1100RS, '95 R100-Mystic, '96 K1100RS, '98 K1200RS, '00 K1200RS, '02 K1200RS, '03 K1200GT, '04 R1150R'04 R1150RT, '05 K1200S, '06 K1200R, '07 K1200R, '09 K1300GT & 2013 R1200RT-P  - Beemers owned still or sold.

~We all believe what we want to believe in - Rob Dickinson
    

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