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After a long cruise (full out) Spree slowly looses power....
Posted: Mon Aug 29, 2005 7:01 pm
by nelly
Spree is running fine for short trips to the pub, but if I head out for a cruise and have it full blast for a few minutes (5-10 minutes) the Spree starts to loose power.
And, if I let go of the throttle, the handle grip turns back to it's regular position, but the engine continues to cruise along.....really weird.
If I come to a complete stop, then give it some gas, it boggs out, unless I give it just enough and it finds a sweet spot, she will slowly putt along and slowly gain speed.
Is this a bystarter or something not returning to the correct position once in heats up???
Any thoughts?
Thanks guys,
Steve
Posted: Mon Aug 29, 2005 7:38 pm
by hondaman
Perhaps your float inside the carb is taking a dive. Is it cracked or a small hole in it. Could just be time for another carb cleaning.
I would also check your throttle cable and throttle needle to make sure they are operating smoothly and not jamming up.
Posted: Mon Aug 29, 2005 7:56 pm
by deathwish
try changing ur plug
Posted: Mon Aug 29, 2005 10:19 pm
by noiseguy
Check the heat range on your plug, use the "extended high speed operation" plug. Your plug is getting so hot that the tip is auto-igniting the mixture. Not good.
Posted: Tue Aug 30, 2005 10:06 pm
by nelly
Pulled the plug - this is what she looks like.....is this pretty typical? Does seem a little wet - too rich?
[img]
http://www.knapmanstudios.com/images\sc ... lugWeb.jpg[/img]
A bit or carbon, but not too bad for 25 year old Spree I figure.
Posted: Tue Aug 30, 2005 10:13 pm
by vette76
way too rich
Posted: Tue Aug 30, 2005 10:20 pm
by nelly
Jet is definitely a #65. Is my only option to adjust the clip on the needle?
Posted: Tue Aug 30, 2005 10:31 pm
by vette76
pretty much, if ur running that rich. are u premixing?
Posted: Tue Aug 30, 2005 10:39 pm
by nelly
Nope, no premixing.
But I do have to run it with the airbox open a crack, or else I have 0 power. I figured if anything, running with the air box open a little would make it more lean....??
Posted: Tue Aug 30, 2005 11:32 pm
by vette76
yes the air box open would make it run lean. 1st it sounds like u have a dirty filter. take the filter out and seal the box it it has power then it was the filter.try that first. then adjust the needle.
Posted: Wed Aug 31, 2005 9:33 am
by noiseguy
Are you running injector oil or premix oil? That looks like premix oil fouling. It makes a mess of plugs, heads, and ports.
If you're running premix, you need to purge the system and switch to injector oil.
Posted: Wed Aug 31, 2005 10:45 am
by nelly
I'm using synthetic injector oil and just pouring it into the oil tank.
Will try cleaning the air filter again. and adjusting the needle.
Steve
