GL1000, SINGLE CARB 32/36 WEBER Bogs when accelerating - Steve Saunders Goldwing Forums

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post #1 of 19 (permalink) Old 04-06-2014, 12:29 AM Thread Starter
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GL1000, SINGLE CARB 32/36 WEBER Bogs when accelerating

please help i have single weber 32/36 on a 1976 Gl1000 with electronic fuel pump and ignition. MY PROBLEM IS WHEN I GO ACCELERATE QUICKLY MY BIKE BOGS AND DIES. is this because i need to rejet the carbs ???? and if so what kind of jet would i use ?
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post #2 of 19 (permalink) Old 04-06-2014, 12:43 AM
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IMHO: Problems with accelerating depend on manifold tubes' length with regards to single carb. New tubes are twice or even triple longer than OEM. As a result it causes icing (I don't know if your new manifold are heated or not). And this in turn causes problems while accelerating. If your bike starts and idles great but dies when accelerating that is 99% icing issue but jets.

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post #3 of 19 (permalink) Old 04-06-2014, 12:52 AM Thread Starter
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thank you i will follow up on an update
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post #4 of 19 (permalink) Old 04-06-2014, 01:00 AM
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[QUOTE=Sergey;3103649]IMHO: Problems with accelerating depend on manifold tubes' length with regards to single carb. New tubes are twice or even triple longer than OEM. As a result it causes icing (I don't know if your new manifold are heated or not). And this in turn causes problems while accelerating. If your bike starts and idles great but dies when accelerating that is 99% icing issue but jets.

Regards,

Sergey[/QUOTE
Might be true but a bog is almost always because of a lean fuel condition. Icing could cause this especially in cool weather. Not jets though. Accelerator pump issues would be my first check assuming timing is known to be correct and bike runs well in all other conditions. If possible try a little choke and see if that helps. Bet it will. At least you can be sure it's a fuel issue then.
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post #5 of 19 (permalink) Old 04-06-2014, 01:27 AM Thread Starter
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i will increase the fuel ratio hopefully that help THANK U ALL FOR THE HELP!!!!

thank you this seems a little practical seeing that i live in LA and the weather is always warm i know it gets cold cuz of icing and I've felt it and have seen it. But this is what i have done to help with the icing i took out the wind/heat shield that is on the motor mounts so the heat from the radiator passes and hits the manifold
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post #6 of 19 (permalink) Old 04-06-2014, 02:31 AM
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Check your fuel pump flows and pressures and when testing hold hose at least as high or a little higher as carb inlet.

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post #7 of 19 (permalink) Old 04-06-2014, 03:31 AM
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I take it the bog will occur under hard acceleration from stop to highway speeds.

If after rolling off the throttle as opposed to just holding open it seems to help the engine recover you are most likely running the carb dry.

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post #8 of 19 (permalink) Old 04-06-2014, 03:43 AM Thread Starter
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I take it the bog will occur under hard acceleration from stop to highway speeds.

If after rolling off the throttle as opposed to just holding open it seems to help the engine recover you are most likely running the carb dry.
Yes i can get it going idle but when i wana get on it like u stated from stop to high way speed it bogs.

If i am running the carb dry what can i do help or fix this problem ? bigger fuel pump ?im running 3-4 psi fuel pump
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post #9 of 19 (permalink) Old 04-06-2014, 04:17 AM
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Hopefully you bypassed the OEM pump completely and did not simply install in line.

Take the hose off the carb and point it away from bike holding up high towards the grass or into container. Hot wire the pump to run for 10-15 seconds and check output.

If all you get is a dribble you got a restriction/pump problem. Should be a nice steady smooth flow.

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post #10 of 19 (permalink) Old 04-06-2014, 07:16 AM
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Just a 170 air jet is all Jake used. Pretty cool mods he has if you like the naked look. http://ngwclub.com/forum/viewtopic.p...Weber&start=30

A few guys have had trouble making 32/36 work. But I just paid for one this morning, so let us know how yours does. Some improved it with a little smaller intake runners to keep the mixture speed moving. You could easily experiment by sticking tubes in what you already have. Remove the intake elbows and slide in. Nice thing about the Weber is the jets are all easily accessible. In cool climates, you may need some heat on the manifold to prevent icing. To rule out icing (maybe), place a hair dryer/heat gun on the manifold to warm it up. Some have welded water jackets to the bottom, some have used small electric heaters attached to the base.
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