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Anyone come up with a setup to test compression short of a $100 Motion Pro kit?
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Here's one on Ebay. They have much cheaper ones there as well. Just a start.
This may be the same tester on another site with excellent service:
Scroll down to find it. -
Just remember when you do get around to actually measuring your compression, to do it with a warmed-up engine and hold the throttle wide open.
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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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I got mine for $29 at Pep Boys.Currently bikeless
'81 GS 1100EX - "Peace, by superior fire power."
'06 FZ1000 - "What we are dealing with here, is a COMPLETE lack of respect for the law."
I ride, therefore I am.... constantly buying new tires.
"Tell me what kind of an accident you are going to have, and I will tell you which helmet to wear." - Harry HurtComment
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That site has a pretty good selection of metric, motorcycle-specific tools. I'm going to be placing an order with them. Thanks for the link.Originally posted by mark View PostThis may be the same tester on another site with excellent service:
Scroll down to find it.GS450E GS650E GS700ES GS1000E GS1000G GS1100G GS1100E
KZ550A KZ700A GPZ750
CB400T CB900F
XJ750RComment
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Originally posted by Suzuki_Don View Post
[-X#-o...........
1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
1985 GS1150ES stock with 85 Red E bodywork.
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Got mine for $15 from Harbor Freight
My only complaint is that the fitting lip is round and smooth and thin, which means if gets stuck at all (misthreaded, over tightened), you can't use a wrench to loosen it, in fact, really hard to find anything that will grab at it to get it out. Ask me how I know...
Did eventually get it out after engine cooled off a bit so it wasn't a big deal.
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I, too, got mine from Harbor Freight but it didn't have the right adapter to screw into the spark plug hole. Seems like a nice enough unit (for my purposes, anyway).Comment
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