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Old 02-09-2011, 10:49 AM   #1
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70 Panther with kohler 399 flooding

I have a 70 panther with a 399 kohler we I got running this year. I rebuilt the carb with a gasket kit (no springs or orings metal parts etc). It will start and run for 15 min or so then it seems to flood out. After it floods out a few times starting fluid wont even help it start. I took apart the carb, put it back togather and it started. 15 minutes later it did the same thing.

It has a walbro wr-1 carb, would that be the original, or has it been replaced?

Any suggestions?
What are the factory settings for the high end and low end screws?
Are ther any settings or measurements inside the carb for the float that I should check?
Can the carb fill up with gas and restrict suction of fuel?
i'm running it with oil mix at 20:1, will this cause problems?
I'm out of ideas.

Thanks

Last edited by dcacka; 02-09-2011 at 11:13 AM.
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Old 02-09-2011, 04:16 PM   #2
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Sounds like an external coil breaking down and not the carb!
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Old 02-09-2011, 08:41 PM   #3
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Sled: 1997 Powder Extreme, 72 Panther
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09-10 Mileage: 440
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I agree w/ John on the coil possibility, check the resistance with the motor cold and again after it craps out. Worn & pitted points can cause this same scenario too, but the resistance test will help eliminate that. Also ditch the Ether and mix up some gas & oil and put it in an old Windex bottle and you don't need to run 20;1 mix. That was great & safe way way back in the day but with todays' oil technology you can very safely run 40;1 or even 50;1. I've been running 40;1 for years w/ Castrol 2T and have had ZERO issues. I ocasionally Vintage ride with a group of guys and there's one stubborn old-timer that insists on running 20;1 and you can always tell where he is in the pack by all the smoke. He also almost always has to change plugs before every ride due to them being so crudded up from all that damn oil !
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Old 02-10-2011, 11:46 AM   #4
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need a coil for a 70' panther

does anyone know where to get a coil for a 1970 panther 399? also need to know where the coil is any help would be appriciated!thanks
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Old 02-11-2011, 09:15 AM   #5
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external coil for 70' k399t2

your coil's are mounted just in front of your carbuerator and a little below it, the point's inside your flywheel, you may have to take off your recoil hub for that, I believe the adjustment is .14 or.16 thousand's at top dead center, the only 2 70 panther's I had had tillotson "hr" carb's on them on the 399 kohler's, make sure your spark plug wire's aren't "arching" when it's dark out you can see the blue arch's, the coil's are good but you need to replace or trim your plug wire's, they should unscrew from your coil's, also, if I remember right the coil's for the kohler are the same for the 399 rotax, etc, any sled part's store should have them, it will probably be something simple with those. Good luck!! Wisccatman
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