If using premium fuel in stock low compresion GS motorcycles causes preignition or detonation then there would be a lot of them with holes in the pistons. I know a lot of people who use premium in there bikes and have no problems.
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Engine was completely stock, actually it was running GREAT, then I heard a noise that sounded like my keys were hitting the handlebars, I grabbed the keys the noise did not stop, I went to pull off the freeway & suddenly started losing power. Got to a gas station, let it cool off, it started back up just fine, rode it around the parking lot, no problem, went back on the road & it started to lose power again. I babied it down the road a few miles, pulled off the road & waited for a ride. Towed it home, pulled it apart thinking that it couldn't be that bad......Comment
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That sound was detonatioin.Comment
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:) The road to hell is paved with good intentions......................................
GS 850GN JE 894 10.5-1 pistons, Barnett Clutch, C-W 4-1, B-B MPD Ignition, Progressive suspension, Sport Demons. Sold
GS 850GT JE 1023 11-1 pistons. Sold
GS1150ES3 stock, V&H 4-1. Sold
GS1100GD, future resto project. Sold
http://i155.photobucket.com/albums/s...s/P1000001.jpg
http://i155.photobucket.com/albums/s...s/P1000581.jpgComment
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:) The road to hell is paved with good intentions......................................
GS 850GN JE 894 10.5-1 pistons, Barnett Clutch, C-W 4-1, B-B MPD Ignition, Progressive suspension, Sport Demons. Sold
GS 850GT JE 1023 11-1 pistons. Sold
GS1150ES3 stock, V&H 4-1. Sold
GS1100GD, future resto project. Sold
http://i155.photobucket.com/albums/s...s/P1000001.jpg
http://i155.photobucket.com/albums/s...s/P1000581.jpgComment
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Dalknob, where are you located?Comment
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Not too much.
A shim that shattered when the "special tool" slipped off the edge of the bucket before the shim was in place.
#1 son insisted he was not racing when he twisted the driveshaft on his 650:
A broken valve that happened AFTER running the engine at 4,000 rpm to check stator outputs.
Not bike related, but on the wall, anyway, a piston from my turbo Corolla.
We were trying to get the jetting right, we missed it by this much:
.sigpic
mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
Family Portrait
Siblings and Spouses
Mom's first ride
Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
(Click on my username in the upper-left corner for e-mail info.)Comment
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Just north of DetroitComment
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Where did I put my airplane piston?Comment
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:) The road to hell is paved with good intentions......................................
GS 850GN JE 894 10.5-1 pistons, Barnett Clutch, C-W 4-1, B-B MPD Ignition, Progressive suspension, Sport Demons. Sold
GS 850GT JE 1023 11-1 pistons. Sold
GS1150ES3 stock, V&H 4-1. Sold
GS1100GD, future resto project. Sold
http://i155.photobucket.com/albums/s...s/P1000001.jpg
http://i155.photobucket.com/albums/s...s/P1000581.jpgComment
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