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I'm going to premix

Tuning

 
 
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  #1  
Old 01-04-2010
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Default I'm going to premix

I have had problems since day 1(12-1-06) with the oil pump pushing to much oil. I've double and triple checked and adjusted the cable. It still does it. I am tires of fouling plugs within 10 minutes. I'm just going to pinch the oil line for now and run 50:1. Do the ultras respond well to this? Thanks Josh

Last edited by snake61047 : 01-04-2010 at 07:42 PM.
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  #2  
Old 01-04-2010
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You're 100% sure it's the oil fouling and not gas fouling?
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  #3  
Old 01-04-2010
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I don't know what a replacement oil pump would cost but that could be the issue. The oil pump on my ski don't decided to stick wide open last year at the group ride.
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  #4  
Old 01-05-2010
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get rid of them pumps, nothing but junk. if you really seen how they work when you start the engine at 0 degrees out most people would freak.

you can get a delete kit from hiperf.com. pull the pump and then remove the fittings from the carb boots, then put the carb boots back on. if you get rid of the oil tank you might be able to use that spot for some storage.

if you go to premix its easier to put on nitrous, you can use the choke wihtout washing all the oil off the cylinder. you can then use the old oil drive to drive an oil pump for a turbo!!
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  #5  
Old 01-05-2010
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*Sighs*

Yes all oil pumps are junk. Very good.
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  #6  
Old 01-05-2010
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Your right, Pre mixing is the "SAFEST" way to go!!!LOL
The delete kits are nice, Ive used them before and Like Jon said, it will give you a little more room under the hood for a tool kit when you remove the oil tank!
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  #7  
Old 01-05-2010
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sweeet and thanks. And yes im sure its oil. You should see the exhaust side of my engine. its like the oil is pouring out of the headers.
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  #8  
Old 01-05-2010
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Quote:
Originally Posted by Madcow View Post
get rid of them pumps, nothing but junk. if you really seen how they work when you start the engine at 0 degrees out most people would freak.

you can get a delete kit from hiperf.com. pull the pump and then remove the fittings from the carb boots, then put the carb boots back on. if you get rid of the oil tank you might be able to use that spot for some storage.

if you go to premix its easier to put on nitrous, you can use the choke wihtout washing all the oil off the cylinder. you can then use the old oil drive to drive an oil pump for a turbo!!
Wait a minute, did you say TURBO?!?!?!?! I think you better give us a solid write up on this on!!!!!!!!
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  #9  
Old 01-05-2010
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looked for the kit and couldn't find it.
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  #10  
Old 01-05-2010
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part number 200-806 and 200-809
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aint no body ripin like me. M to the a-d-c-o-w. rock it hard for my fly ladies. I rock it yes in deed. homies still roll with me. money dont change me


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  #11  
Old 01-05-2010
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Thanks mc. Just got back from a ride without the pump. It was running real shitty at first with a horrible bog that I think was asocieted with the pump issue of too much oil for the plugs to handle. Once I took off after another spark plug change she started running good. It seemed like i had to get all that extra oil out of her. Now I think I might need to rejet for the added oil going threw though the carbs now. I have really light tan almost grey. it is almost 10 degrees out. I might jump to 380's. Also what are you guys running for heat range on the ultra. I am currently trying both 8's and 9's but that was before the removal of ther pump. Now the 8's seem almost too hot for the machine.
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  #12  
Old 01-05-2010
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now do you need both to make it work? Also what can I use to cover the fitings on the boots?
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  #13  
Old 01-06-2010
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Quote:
Originally Posted by Madcow View Post
you can get a delete kit from hiperf.com.!
you leave the drive in or pull that also?
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  #14  
Old 01-06-2010
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Pull it out too. There is a plug that goes in to fill the case volume. I ordered mine from hiperf.com but I think denniskirk has them also.
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  #15  
Old 01-06-2010
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I don't believe in the "plug the volume" BS personally.
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  #16  
Old 01-06-2010
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I was hesitant until I actually pulled the gear out and put the plug in. Think about it, once the gear is pulled out there is more air space in one cylinder than the other. Seems like a very tiny amount but it is a difference between cylinders no matter how you look at it.
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  #17  
Old 01-06-2010
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Difference between cylinders? Doesn't the crankcase share air volume between both cylinders?
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  #18  
Old 01-06-2010
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I've never cracked cases so I'm not 100% sure. But I think you may be right Rubi lol. There are no seals between rods and the bearings aren't sealed.
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  #19  
Old 01-06-2010
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for the most part yes there are no seals, but on the crank your bearings act like a seal.

look at the cc of a ultra piston, then look at the amount of air that the little gear drive and pump take up in the case. without them you probably wouldnt notice a difference in hp. but you might notice that the cylinder might run richer. at low speed driving that would be the first cylinder to load up since air speed has been reduced.

just put the little bolts back in after removing the banjo fitting.
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in a time of deciet telling the truth is a revolutionary act. george orwell.

aint no body ripin like me. M to the a-d-c-o-w. rock it hard for my fly ladies. I rock it yes in deed. homies still roll with me. money dont change me


nothing goes like 3 holes.

BRTECH HOODS
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  #20  
Old 01-06-2010
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The reason that I say that, is that the cavity is out of the way - fuel/air mixture may sit in there but doesn't run through there. It's a pocket of air/fuel rather than a passage. Just like the bed of a pickup truck fills with a bubble of air and air goes over it.
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