Hard start after riding


Information and questions on GL1500 Goldwings (1988-2000)
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Bobsiler
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Location: Morgan Hill CA
Motorcycle: 1988 GL1500 A

Hard start after riding

Postby Bobsiler » Sat Feb 13, 2016 8:17 pm



I've got an issue that started back in Nov.
Bike is running pretty well overall but after a ride if I let it sit for a half hour she doesn't want to start right up. I have to crank on it a bit and then she'll sputter to a start. Rev it a bit and alls good. Almost like it's flooded? Start it within 5-10 minutes of riding it's fine. 4-5 hours or overnight it's fine.
I just replaced the fuel filter, plugs and cleaned my K&N filter. Any thoughts?



harvey01
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Re: Hard start after riding

Postby harvey01 » Sat Feb 13, 2016 9:23 pm

Due a load test on the battery, check all connections for the battery including all grounds. Don't rely on a voltgage meter only to determine state of the battery.
harvey
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Bobsiler
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Re: Hard start after riding

Postby Bobsiler » Sat Feb 13, 2016 9:27 pm

Replaced the battery and alternator at the end of Oct. Duracell AGM. Didn't think of checking the grounds.

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raven41951
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1994 GL1500SE (sold)
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Re: Hard start after riding

Postby raven41951 » Sun Feb 14, 2016 7:49 am

My first thought is also the battery or bad/loose connections. The engine may spin and spin but if there is not enough power getting to the ignition, there will be insufficient spark to start the engine. Personal experience and this forum taught me that. Yours sounds like the latter, check connections for corrosion and tightness starting with where you last worked on it.

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spiralout
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Motorcycle: 1975 GL1000 (gone)
1980 GL1100I (with '77 1000 engine)
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Re: Hard start after riding

Postby spiralout » Sun Feb 14, 2016 4:01 pm

It's fuel/heat related, not electrical. How would OP's battery and/or connections get funky only after letting it sit for half an hour but not immediately after riding or letting it sit for hours or overnight?

I had the same problem and after doing away with the old brittle, torn rubber heat mat it was so bad it was hard starting after only 5-10 minutes of sitting. Replacing the mat solved it.

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OldZX11Rider
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Re: Hard start after riding

Postby OldZX11Rider » Sun Feb 14, 2016 4:48 pm

I hate asking what may be stupid questions but, what's a heat mat and where is it? :mrgreen:
For he is the minister of God to thee for good. But if thou do that which is evil, be afraid; for he beareth not the sword in vain:

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spiralout
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Motorcycle: 1975 GL1000 (gone)
1980 GL1100I (with '77 1000 engine)
1996 GL1500 SE

Re: Hard start after riding

Postby spiralout » Sun Feb 14, 2016 5:38 pm

OldZX11Rider wrote:I hate asking what may be stupid questions but, what's a heat mat and where is it? :mrgreen:

It's the rubber mat that lays over the top of the motor that helps keep heat off the carbs and tank. #1 in this diagram http://www.westernhonda.com/fiche_section_detail.asp?section=2499395&category=Motorcycles&make=Honda&year=1994&fveh=131998

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Bobsiler
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Re: Hard start after riding

Postby Bobsiler » Sun Feb 14, 2016 11:21 pm

I've really been thinking heat/fuel related. I'll look closer at the mat. I've only pulled it back before to get at the plugs. Not sure what it feels like closer to the carbs.
Checked my ground connection at the battery anyway and took the wife for a ride over to the coast today. Maybe 100 miles total. We stopped and ate in Santa Cruz for about 45 minutes. Came out and the bike started right up. Let it sit for a half hour after getting home and it started up with very little cranking.
I'm going to put it to the test again tomorrow, still haven't ruled out the battery connection.
Sure would be nice if it were that simple of a fix. Thanks for all the help.
Managed to pull almost 40mpg today as well. Other than the start she's running good.

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ct1500
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Re: Hard start after riding

Postby ct1500 » Mon Feb 15, 2016 8:01 am

Check your coolant level in radiator (not the reserve tank) by removing cap when cold to ensure it is full.
This is what I do
Local and need repair help with your 1500, Valkyrie or ST please PM

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OldZX11Rider
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Re: Hard start after riding

Postby OldZX11Rider » Mon Feb 15, 2016 8:39 am

Okay. Thank you. I had a suspicion it was something similar to a heat shield on an exhaust system, but I didn't know for sure. :mrgreen:
For he is the minister of God to thee for good. But if thou do that which is evil, be afraid; for he beareth not the sword in vain:

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Bobsiler
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Re: Hard start after riding

Postby Bobsiler » Mon Feb 15, 2016 4:04 pm

Rode it again this morning and at this point I'm going with ground connection at the battery. Time will tell layer this week but when I installed the new battery the Duracell's mounting post is just slightly more toward center of the battery. This causes need for a spacer that they provide. Problem is it is very small which minimizes the contact surface between the ground plate and the battery. I made a metal spacer that spans the entire distance of the metal plate maximizing contact. I'd just get another battery but I just paid $130 for this one a few months ago.




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