Now my bike wont stay running - TwoWheelForum: Motorcycle and Sportbike forums
 
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post #1 of 11 (permalink) Old 08-27-2004, 10:21 PM Thread Starter
 
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Question Now my bike wont stay running

Not my Kat..but my 83 Maxim..28,000 miles, jet'd to a 900..I've recently changed the oil/filter.

She'll start right up, run fine at an idle, after doing the usual choke for a few minutes. Then after riding for about 30 minutes or so..It heats up so hot, that it just shuts off, and wont start back up until after cooled down. It's got a new battery as well.

It doesnt smell like its burning anymore, like in the previous thread awhile back...but it just wont stay running. It normally runs hot, but not this hot.

Any ideas? Im thinking its something to do with the air filter, but I'll be damned if I can find it on this bike.

Thanks for the help.
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post #2 of 11 (permalink) Old 08-28-2004, 02:48 AM
 
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How long has it sat? If it has sat for a while the gas left in the float bowls during storage changes to varnish (gel like substance) and obstructs jets and air/fuel conduits. Requires removal of carbs and thorough cleaning.

The elements of internal combustion engines are: correct fuel/air ratio, spark at right time, adequate cylinder compression.

There are many passageways and openings to check and clean. All are important in function and when obstructed or not working properly, have subtle to radical effects on engine performance. Vacuum leaks and carburetor synchronization also have effects on performance and should be inspected and adjusted.

Also to get it to run at a lower temp. Have you tried Water Wetter? I have some if you want to try it. It will bring down the normal temp your running. It has for my about 10-14 degrees.

About the air filter, well, I'm still looking for that to as where it is. But I'm thinking its in the front. LOL Hope some of this helps and someone else can give more insight to Matt.
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post #3 of 11 (permalink) Old 08-28-2004, 03:15 AM
 
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A few more things I found on the net for you about it running hot.

The fuel to air mixture is too lean.
The fuel you are using is of poor quality or not the correct type.
The clutch is slipping.
The combustion chamber and exhaust port need to be decarbonized

Trying to find where the air filter is still.
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post #4 of 11 (permalink) Old 08-28-2004, 09:32 AM Thread Starter
 
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Angry

I still I cant find it either, on the bike, or on the web... :toetap: ..never had a problem with the fuel before, always get it from Sunoco, usually running 89 octane in it, bike has been getting started up and run alittle bit atleast 2-3 times per week, for the last 2 months, and before that, it only sat for like 2 1/2 weeks. And oddly enough, it seemed to start kinda outta the blue, not like it was running rough for awhile, then just started getting worse, it went from running great to doing this, within 2 days.
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post #5 of 11 (permalink) Old 08-28-2004, 11:47 AM
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The air filter is under the seat. The Maxim should be air cooled so they tend to produce a lot of heat. However, you would know if it is running hotter than normal. A slight blockage of one of passages could cause you to run lean which will make it run hot.

You could be running hot enough that it is causing one or both of the coils to fail. Then when it cools down the coil will fire again.

Larry

Rarely is the question stupid, but sometimes the answer is you need to run everything you read online through your own personal BS meter to determine if it makes sense to you.
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post #6 of 11 (permalink) Old 08-28-2004, 11:50 AM Thread Starter
 
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Quote:
Originally Posted by larryg
The air filter is under the seat. The Maxim should be air cooled so they tend to produce a lot of heat. However, you would know if it is running hotter than normal. A slight blockage of one of passages could cause you to run lean which will make it run hot.

You could be running hot enough that it is causing one or both of the coils to fail. Then when it cools down the coil will fire again.

Larry
I'll check again this afternoon..but I swear I didnt see it..maybe Im looking right at it, but just not seeing it...I'll check again..yeah its air cooled...

I'll let you know what I found out..

Thanks man!!
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post #7 of 11 (permalink) Old 08-28-2004, 01:49 PM
 
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What me telling you that a poss blocked passage wasn't good enough for you. You needed to hear it from Larryg. I see how you are. See if I ride with you at all this week or next week. LOL Just messing with you. I'll be gone all next week so we won't be able to ride unless you want to go to the beach with me and the family. hehehe
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post #8 of 11 (permalink) Old 08-28-2004, 02:50 PM Thread Starter
 
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bite me :woot: of course I checked into all that when you put it up your post. But you couldnt tell me where the air filter was either, so :toetap: ..just playing w/ ya. Geez, bikes in the shop this week, going away next week..you suck
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post #9 of 11 (permalink) Old 08-28-2004, 07:04 PM
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Quote:
Originally Posted by larryg
could cause you to run lean which will make it run hot.
Larry
This is very true. Alot of people don't understand that the gas in the cyclinder of a motor actually cools the cylinder walls. If it leans out too much, it will create alot more heat. This is a big deal when it comes to fine tuning a motor for more power... :bike:




-Chris
aka Gas Man



Was: 2002 Kaw ZX-9R
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is me till the
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post #10 of 11 (permalink) Old 08-28-2004, 07:16 PM
 
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Quote:
Originally Posted by Need4Speed750
bite me :woot: of course I checked into all that when you put it up your post. But you couldnt tell me where the air filter was either, so :toetap: ..just playing w/ ya. Geez, bikes in the shop this week, going away next week..you suck

LOL Just busting your ball$. Yep, I will be gone next week to the beach. Sorry. But when I get back we will have to go ride to make up for past times. LOL I make it sould like I will be gone for a year or so.
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post #11 of 11 (permalink) Old 08-29-2004, 10:55 AM Thread Starter
 
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OK, I cleaned out the air filter last nite, was pretty dirty..started the bike back up and let it run for like 15 minutes, since I was in a hurry yesterday, but it's currently running now for the last 20 minutes, so we'll see if this made any difference.
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