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F.Gassit
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« Reply #15 on: April 29, 2009, 05:50:28 AM » |
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perfect!!........ Thanks' Dave  ...........press sounds like the go....
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I MISS BOB...............AND BB'S MONKEY PORN.
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rodeobob
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« Reply #16 on: May 14, 2009, 04:12:28 AM » |
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Heat it, quench it, and then spray it with chromebrite.  slap it together. Bob.
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DT200R x 3, One rebuilt, 2 for parts at this stage. A 1990 DT175. A TT350 frame with a IT/DT175 engine in it. Rolling FZR250 frame, question is what engine should i fit to it. Looking for a DT400 project.
"Strong like Ox, smart like Tree."
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Guilly
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« Reply #17 on: May 14, 2009, 09:40:26 AM » |
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Bob I seem to remember back in yr7 at HS quenching in oil is this the preferred option or am I dreaming. Anyone else? And Im thinking if I try this maybe the open fire might be a good place to get the gasket uniformly hot. How do you do it? As I said earlier I have not had much luck with used coppers in the past but the consensus is in favour so I might give it a go. As yet I have not had the head off and curiosity is eating away at me. And I do like to pull things apart. Guilly
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"Give me fuel give me fire give me all that I desire!' http://www...DBLhdSy5t4BSA Bantam 125 Vespa Kawasaki 100 10 spd trail boss XL 250 DT175A DT360A Ducati Sebring 350 XV750 Yam IT 250J
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rodeobob
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« Reply #18 on: May 14, 2009, 01:15:29 PM » |
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Theres no need to pull something apart just because you can.
Bob.
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DT200R x 3, One rebuilt, 2 for parts at this stage. A 1990 DT175. A TT350 frame with a IT/DT175 engine in it. Rolling FZR250 frame, question is what engine should i fit to it. Looking for a DT400 project.
"Strong like Ox, smart like Tree."
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golly
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 Australia
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1985-IT490 N
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« Reply #19 on: May 16, 2009, 10:20:33 PM » |
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heat the old copper gasket on the stove then let to cool down after about ten min put it back on the bike and it sealed good no leaks lots and of comp.
golly
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1985 IT490 N 1981 IT250 J
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dar373
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« Reply #20 on: September 04, 2009, 04:26:38 PM » |
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qquench or not???oil or water??
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TO BE OLD AND WISE YOU MUST BE FIRST YOUNG AND STUPID
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golly
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1985-IT490 N
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« Reply #21 on: September 04, 2009, 05:36:12 PM » |
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just let it cool down slowly enough so you can hang onto it in your hand, then put it back together.
golly.
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1985 IT490 N 1981 IT250 J
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jason70
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« Reply #22 on: September 04, 2009, 06:42:35 PM » |
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Kato is near spot on, anealing is heating up on a gas burner until it glows red then drop it in cold water or you can let it cool down naturally it doesnt matter which way.
yep BB has got the way and i have always done it the same way and never had a prob cheers jase
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Roosty
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« Reply #23 on: September 04, 2009, 06:53:00 PM » |
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Theres no need to pull something apart just because you can.
Bob.
there's a sence of adventure though.... 
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IT465 H+J IT125G x2 IT200L IT175F RD350LC RD250LC H+J RZ350K DT175 A+G+T x2 DT125LC DT200L YZ80D GT80F...(again...) PW50J AG175H GSX-750 PE175 KH250 RG-Yammagamma TS250ER XL175
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1983
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« Reply #24 on: September 05, 2009, 04:20:33 PM » |
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I am a plumber and work with copper allday. heat gasket with gas torch a nice even red let it cool. no need to quence non-ferrous metals, it is quite thin and you will be able to handle it after about a minute. Ferrous metals are quenced with water or oil for hardening.
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Martin I Henry
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WANTED 1981 IT125 www.yamaha-it.co.uk
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« Reply #25 on: September 05, 2009, 06:23:51 PM » |
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The advantage of quenching is that the oxides that form during the heating process plus any carbon left on the gasket fall off due to the rapid drop in temp.
Dave R
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The only thing that's different is me; I've become bitter, and let's face it, crazy over the years. And once I'm swept into office, I'll sell our children's organs to zoos for meat, and I'll go into people's houses at night and wreck up the place. Muahahaha! Richard Nixon's head, Year 3008.
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killindini1
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IT200N,IT200L .Wanted:IT200S Member 269
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« Reply #26 on: September 06, 2009, 05:39:33 AM » |
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Groove up or down??
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Martin I Henry
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WANTED 1981 IT125 www.yamaha-it.co.uk
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« Reply #27 on: September 06, 2009, 05:48:43 AM » |
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Groove up or down Groove up Monday to Friday. Sat and Sun I try and groove down !! Dave R
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The only thing that's different is me; I've become bitter, and let's face it, crazy over the years. And once I'm swept into office, I'll sell our children's organs to zoos for meat, and I'll go into people's houses at night and wreck up the place. Muahahaha! Richard Nixon's head, Year 3008.
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1983IT490K
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1982 YZ490J, 1983 IT490K, 1985 YZ250N, 1975 GT80
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« Reply #28 on: September 06, 2009, 08:52:08 AM » |
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I didn't realise that you did it both ways Dave! I thought you were just an average bloke! 
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Arthur
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