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03-30-2010, 09:54 AM
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#1 |
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Registered Member
Join Date: Mar 2010
Posts: 5
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It will idle, but dies when throttle moves??
Hi guys, thanks for the welcome to the forum. My issue is with an '89 Honda Pacific Coast: It will start and run at an idle but as soon as any throttle is applied, it dies. Am I correct in thinking this is a timing issue rather than carbs? It has a pair of downdraft carbs and fuel delivery is not an issue since I have it on the lift being fed by a tuning bottle. If I throttle real gentle, I can bring the rpm's up maybe 100 but the slides flutter and then it stalls. Any help or suggestions are greatly appreciated!!!
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03-30-2010, 10:05 AM
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#2 |
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Founding Member
 
Join Date: Jun 2007
Location: Livin' in a Van: down by the Mariana Trench
Posts: 10,891
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Put the airbox back-together, and be certain it is sealed. (except for the air inlet)
The PC airbox is a very-complex beast, with several pieces that can leak-by and cause you to go lean immediately. Seriously.
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Parfois, on fait pas semblant Sometimes, it's not pretend Oderint Dum Metuant Let them hate so long as they fear политики предпочитают безоружных крестьян Politicians Prefer Unarmed Peasants Nothing to see here, Citizen. Move along now... Last edited by The_AirHawk : 03-30-2010 at 10:08 AM. |
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03-30-2010, 10:11 AM
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#3 |
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Registered Member
Join Date: Mar 2010
Posts: 5
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Thanks Airhawk! I was just out foolin with it and when I partially choked the carbs with my hand, the rpm's came right up... Can't believe it could be that simple!
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03-30-2010, 10:19 AM
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#4 |
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Registered Member
Join Date: Oct 2009
Location: central Va
Posts: 1,126
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Good going Airhawk. When my chit craps out I'm shown' up at your house.
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White Trash Hick from Appalachia |
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03-30-2010, 10:21 AM
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#5 | |
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Founding Member
Join Date: Jun 2007
Location: Livin' in a Van: down by the Mariana Trench
Posts: 10,891
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Quote:
__________________
Parfois, on fait pas semblant Sometimes, it's not pretend Oderint Dum Metuant Let them hate so long as they fear политики предпочитают безоружных крестьян Politicians Prefer Unarmed Peasants Nothing to see here, Citizen. Move along now... |
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03-30-2010, 10:24 AM
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#6 |
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Registered Member
Join Date: Oct 2009
Location: central Va
Posts: 1,126
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Get some wood, get some nails, take off your work boot & pound it, pound it, pound it till it's done. Ohh no, thats building a deck, my bad.
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White Trash Hick from Appalachia |
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03-30-2010, 11:00 AM
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#7 | |
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Founding Member
Join Date: Jun 2007
Location: Livin' in a Van: down by the Mariana Trench
Posts: 10,891
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Quote:
__________________
Parfois, on fait pas semblant Sometimes, it's not pretend Oderint Dum Metuant Let them hate so long as they fear политики предпочитают безоружных крестьян Politicians Prefer Unarmed Peasants Nothing to see here, Citizen. Move along now... |
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03-30-2010, 12:04 PM
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#8 |
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Registered Member
Join Date: Mar 2010
Posts: 5
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OK, all done! Got the airbox back on and sprayed carb cleaner around the carb holders, guess what! Rpm's went up! Honda clamps on this bike have a little spacer sleeve, apparently to keep ham-fisted mechanics like myself from over tightening them. I pulled the carbs up enough to get the clamps out, remove the spacers and reinstalled them. My friend still has the air filter and cover, so I folded up a small bath towel and it scoots down the road once again! Many thanks!!!
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03-30-2010, 01:30 PM
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#9 |
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Robby
  
Join Date: Nov 2001
Location: 8501 ft.
Posts: 16,803
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Now you know just how dumb people can be who modify their own intake system for "more power". Usually they screw it up worse. Leave it stock or search out mods that have been thoroughly beta-tested.
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I've seen things you people wouldn't believe. Attack ships on fire off the shoulder of Orion. I watched c-beams glitter in the dark near the Tanhauser Gate. All those moments will be lost in time, like tears in the rain. |
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03-30-2010, 02:49 PM
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#10 |
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Registered Member
Join Date: Oct 2009
Location: central Va
Posts: 1,126
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You mean I cant drill holes in my airbox & exaust, remove the front fender put a tall skinny on & a fat one on the rear, use rebar to extend the swingarm & bend the forks to rake em out? I even used a camelback bladder in my tankbag to make my tank bigger.
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White Trash Hick from Appalachia |
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