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Author Topic: Clutches bad ? Sudden loss of power & gas Mileage  (Read 1842 times)

Sweet Tooth

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Clutches bad ? Sudden loss of power & gas Mileage
« on: Nov 03, 2012, 10:10:35 PM »
About the top 1/8th of my lever just feels like nothins their. Or its maybe stuck i open a little. It seems to have lost a power too i have to give it more gas to get up hills . Could it just be air locked not lettin the clutch release ? And my gas sipper has turned into an angry gas Buffalo it totally skipped gas hog. I went from 46mpgs to 32 in two tanks with no change in ridding style just loss of power. I just changed the plugs and oil. Everythings up to par.   And i also have only a little over 8k. Surely the clutch ant goin out already.Any ideas what that could be ?
« Last Edit: Nov 09, 2012, 09:03:01 PM by Sweet Tooth »
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Wassup77

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Re: Clutches bad ?
« Reply #1 on: Nov 03, 2012, 10:35:33 PM »
I would check the plugs, especially if it started right after you changed them.  Check and make sure all the plug wires are down good, and recheck your gaps.  Look and make sure you don't just have a defective plug.

ROADKILL

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Re: Clutches bad ?
« Reply #2 on: Nov 04, 2012, 03:06:02 PM »
I would check the plugs, especially if it started right after you changed them.  Check and make sure all the plug wires are down good, and recheck your gaps.  Look and make sure you don't just have a defective plug.
What he said....a lot of people regap their plugs when they get them...when having issues after doing any type service that's where I start...with what was done.
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Sweet Tooth

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Re: Clutches bad ?
« Reply #3 on: Nov 05, 2012, 01:20:20 PM »
Aight  I will re gap them. But the clutch is still feelin weird. I ant un hooked it so i dont see how any air could get in it
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Sweet Tooth

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Re: Clutches bad ?
« Reply #4 on: Nov 08, 2012, 09:31:54 PM »
Took out the plugs to gap. They only had a few hundred miles.  They were black like charcole.   Would tht mean i have a bad plug ?
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ROADKILL

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Re: Clutches bad ?
« Reply #5 on: Nov 08, 2012, 10:32:26 PM »
Took out the plugs to gap. They only had a few hundred miles.  They were black like charcole.   Would tht mean i have a bad plug ?
What type plugs did you use....brand etc.
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Sweet Tooth

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Re: Clutches bad ?
« Reply #6 on: Nov 08, 2012, 10:35:47 PM »
  NGK DPR8EA9.
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Tail dragger

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Re: Clutches bad ?
« Reply #7 on: Nov 09, 2012, 07:38:52 AM »
Doesn't black plugs indicate running rich (=increased gas consumption)? 

Ares X

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Re: Clutches bad ?
« Reply #8 on: Nov 09, 2012, 09:19:54 AM »
Doesn't black plugs indicate running rich (=increased gas consumption)?

That was my understanding.

Sweet Tooth

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Re: Clutches bad ?
« Reply #9 on: Nov 09, 2012, 09:24:09 AM »
What could hve changed in that 200 miles though  to make it run rich? The old ones were light tan good. I didnt change nothin.
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Wassup77

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Clutches bad ?
« Reply #10 on: Nov 09, 2012, 10:38:54 AM »
Do you still have the old plugs?  I'm wondering if the plugs you got are the right heat range? 

Sweet Tooth

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Re: Clutches bad ?
« Reply #11 on: Nov 09, 2012, 10:41:41 AM »
Yeah . I still have the same plugs in the box where i took em out at. They are the same type plugs as i took out. Dont know how to tell heat range though.
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ROADKILL

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Re: Clutches bad ?
« Reply #12 on: Nov 09, 2012, 11:45:54 AM »
Yeah . I still have the same plugs in the box where i took em out at. They are the same type plugs as i took out. Dont know how to tell heat range though.

Don't know if these links will help but could come in handy sometime I guess.

http://www.ngksparkplugs.com/tech_support/spark_plugs/p2.asp?mode=nml

http://www.triumphspitfire.nl/plugs.html

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Wassup77

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Clutches bad ?
« Reply #13 on: Nov 09, 2012, 11:57:22 AM »
I say put the originals back and see how it runs, give it a day or two and check the plugsvagain

Sweet Tooth

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Re: Clutches bad ?
« Reply #14 on: Nov 09, 2012, 02:17:14 PM »
I cleaned the front two b4 when they were black and put in the v&h pipes took a ride to laurel n all came back n checked them. Now the front two are light tan. I dont know about the back. I havent had time to take the tank off yet to check them.   Is it possible they may have been loose suckin in air at the plugs ?
That little hose that goes to the top of the tank . What is it for . Is it possible to kink that thing and drop gas mileage ?
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