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Motorcycle Forum / General / Yamaha / September 2003Help please - Yam 600 Divvy won't start...........
It's a 1993 600 Diversion with 40k on the clock. Been stood for 6 months on my drive (covered), now won't start. I've taken out plugs and cleaned, it's got fuel, I've tried it with choke in/out, fuel tap up/down/sideways all combinations. I'm not too technically minded, but it was running great before. Battery ok and been charged. Any ideas please, I want to sell. Thanks in advance. How old is the fuel? GW ------ >It's a 1993 600 Diversion with 40k on the clock. > [quoted text clipped - 9 lines] > >Thanks in advance. you have to clean the carbs. the gas has turned tovarnish and the jets are clogged. you can do it yourself or get f.cked by a dealer. anyone slightly tech savy cab do it in an hour or less. get a service maual and save big. the gas today has water, alcohol and crap in it. it turns to sh.t very quickly. if you live in socal, i'll do it for $50. > anyone slightly tech savy cab do it in an hour or less. Like hell they can. It depends how badly the carbs are varnished up. If all the little galleries etc are clogged, it can be an utter, utter bitch of a job and it's frequently easier to throw away the carbs and source another set. Anyone who reckons they can completely sort out a set of *badly* clogged four-cylinder carbs in an hour or less is talking bullshit IMHO.  SignatureTrophy 1200 750SS CB400F TS150 ST70 YTC#3 GAGARPHOF#30 GHPOTHUF#1 IHABWTJ#1 BOTAFOT#60 ANORAK#06 OSOS#1 BOF#30 WUSS#5 "Worse than Timo" - Official >> anyone slightly tech savy cab do it in an hour or less. > [quoted text clipped - 6 lines] >Anyone who reckons they can completely sort out a set of *badly* clogged >four-cylinder carbs in an hour or less is talking bullshit IMHO. my mistake, i thought it was a twin. quads can take much longer, but i've never had to throw out carbs. > >> anyone slightly tech savy cab do it in an hour or less. > > [quoted text clipped - 9 lines] > my mistake, i thought it was a twin. quads can take much > longer, but i've never had to throw out carbs. Ah, twins are *a lot* easier. I had to throw away a set from a Honda CB500T a couple of years ago - no matter *what* I did to them it didn't run right. I cleaned out jets, reset pilot screws, played with needle settings, swapped over floats, jets, needles, jets with a dead set of carbs I had, swapped over throttle slides, you name it. Replacement set of carbs froma guaranteed working engine - and it went perfectly. SignatureTrophy 1200 750SS CB400F TS150 ST70 YTC#3 GAGARPHOF#30 GHPOTHUF#1 IHABWTJ#1 BOTAFOT#60 ANORAK#06 OSOS#1 BOF#30 WUSS#5 "Worse than Timo" - Official >Ah, twins are *a lot* easier. > [quoted text clipped - 7 lines] >Replacement set of carbs froma guaranteed working engine - and it went >perfectly. i've gotten so i can do a set of amals in 1/2 hour-:) some honda carbs have tiny passages you can only find with a service manual, like the quad set 28mm mikunis. if you son't find and clear them, nothing will make them work. i once had major problems with a yamay twinjet 100 carbs. i finally left the main jets off and it ran perfectly. > i once had major problems with a yamay twinjet 100 carbs. i > finally left the main jets off and it ran perfectly. *Boggle* SignatureTrophy 1200 750SS CB400F TS150 ST70 YTC#3 GAGARPHOF#30 GHPOTHUF#1 IHABWTJ#1 BOTAFOT#60 ANORAK#06 OSOS#1 BOF#30 WUSS#5 "Worse than Timo" - Official >>anyone slightly tech savy cab do it in an hour or less. > [quoted text clipped - 6 lines] > Anyone who reckons they can completely sort out a set of *badly* clogged > four-cylinder carbs in an hour or less is talking bullshit IMHO. The way to clean a varnished up carb is to get a carb soak used by professional mechanics. Dissasemble carb completely and remove all fiber, rubber, plastic or composite parts, gaskets, O-ring seals etc. (the soak will dissolve them. Soak all of the metal parts of the carb overnight and blow out with a high pressure air hose, especially the small passageways. Wash parts off with water first to neutralize the soak, it's caustic, and will burn you. I cannot say where you may purchase this stuff in small lots, but you might try a NAPA autoparts store. I believe this stuff is called "Kleenacarb". I used it on a Honda 150 that wouldn't run many years ago and it fixed the problem. Thumper Driver kinda thumper you have? i have 4 sr 500's, an xt 500 and a honda gb500. > i have 4 sr 500 I had one of those recently. Rather fun. SignatureTrophy 1200 750SS CB400F GN250 TS150 ST70 YTC#3 GAGARPHOF#30 GHPOTHUF#1 IHABWTJ#1 BOTAFOT#60 ANORAK#06 OSOS#1 BOF#30 WUSS#5 "Worse than Timo" - Official x=no >> i have 4 sr 500 > >I had one of those recently. Rather fun. i have one cafe'd out. 540kit, 38mm flatside, 11 to 1 tuned exhaust, 46 ho at the wheel. put it on a diet with spokers and clip-ons. love embarassing sport bikes between lights. best canyon cutter ever. and it will do the ton on a flat. |
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