1997 gs500e with start problems HELP!

[newbie1993]

Yes I'm using fresh gas. I just finished another cleaning of the carbs.. hopefully this cleaning makes a big difference... I'm gonna go put everything back together after the rain goes away

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[Soloratov]

Are you getting good compression in the cylinders? Without that it would probably want to start but never really fire. Just trying to follow the fuel at this point, if you have a full tank, and it's in the carbs, and the carbs are clean and functioning properly, then next would be either choked off air, or bad compression I think.

[newbie1993]

How do I check for compression?


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[Soloratov]

I'm not really sure how without a compression tester...had a buddy do it for me, but I think Adidas or GsJack will have some ingenious method. I know there was a thread here sometime in the last year where a number of ways were described, do a quick search.

The proper way: (Autozone may loan this kit, they loan just about EVERYTHING)

http://gstwins.com/gsboard/index.php?topic=58879.msg670150#msg670150

Finger method:

http://gstwins.com/gsboard/index.php?topic=24688.msg254259#msg254259

[ctjacket]

Just an fyi about renting it from Autozone because I tried recently to do it, none of the attachments would fit in the gs500, so make sure they have a 12mm adapter I believe.

[Soloratov]

^^ Good to know

[newbie1993]

Based on the finger method I have some compression.. but I think the compression gauge would give me a better result.

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[newbie1993]

I finally got my compression tester and checked for compression in both cylinders and got a reading of 150 psi on both cylinders

[newbie1993]

Finally got her started up this afternoon

[newbie1993]

http://instagram.com/p/bUrsGmFS0l/

[Paulcet]

 

[newbie1993]

I only have one issue now though.. When I try to rev the engine it goes up to 3000 rpm and then it cuts off

[Paulcet]

When you say it cuts out, do you mean it just stops abruptly or does it kind of sputter and die out gradually? 

An abrupt stop would make me think electrical. But that's my formal training/profession, so take that with a grain of salt... Sputtering and dying out would make me think it is running out if fuel.  I see in your video it looks like you are just running on what fuel is in the carbs and no larger fuel source. The fuel in the bowls will only run for a minute or so.

[newbie1993]

It'll revv up to 3000 rpm the go down to 1000 rpm then cut off.. But in the video I'm running fuel in through I funnel directly into the carbs

[Paulcet]

Oh, Ok.  I couldn't see the funnel in your video.  Maybe try it with the air filter installed.  I would think that having the choke on would be ok without the air filter, but it's worth a try.  Or cover half the hole with masking tape or your hand when you rev it.

[newbie1993]

Do you know of a better way to set up a funnel because every time I try I to set one up the gas eats away the adhesive and the funnel falls apart

[Paulcet]

I don't know... Maybe a hose clamp to hold the hose onto the funnel.  Not many adhesives will hold up to gasoline.  I went to the auto parts store and got a generic radiator overflow bottle.  It has a few places to attach a hose, and a couple of mounting holes or even a rack you can use to tie it onto the handle bar, mirror or whatever.  It holds maybe a quart, works great!

[newbie1993]

I made a video to show you what I was talking about

[newbie1993]

http://instagram.com/p/bWsX9SlS1G/

[newbie1993]

Fixed it http://instagram.com/p/bW5ZkfFS9j/