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oil pump block off

Posted: Tue May 03, 2011 9:34 am
by pod4444
has anyone blocked off the oil pump on thier spree and just ran premix?ive done this on my blaster with good results.didnt know how hard it would be on a spree

Re: oil pump block off

Posted: Tue May 03, 2011 9:45 am
by PolarIce

Re: oil pump block off

Posted: Tue May 03, 2011 10:44 am
by pod4444
yep thats what i was lookin for.ive found that running my banshee and blaster over the years at 40:1 seems to be the sweat spot for2 strokes so im gonna run my spree the same and try to get it to quit bogging.my banshee boged horrible at 25:1 when i switched to 40:1 it ran great

Re: oil pump block off

Posted: Tue May 03, 2011 12:30 pm
by Bear45-70
pod4444 wrote:yep thats what i was lookin for.ive found that running my banshee and blaster over the years at 40:1 seems to be the sweat spot for2 strokes so im gonna run my spree the same and try to get it to quit bogging.my banshee boged horrible at 25:1 when i switched to 40:1 it ran great
You need to learn that changing oil ratios changes your jet requirements and adjust jetting accordingly. Rarely does the oil actually cause the bog, it is the change in fuel flowing thru the jet.

Re: oil pump block off

Posted: Tue May 03, 2011 2:19 pm
by pod4444
i never had to rejet on my blasters and banshees and ive owned several but thier 200cc and 350cc vs a 50cc.maybe you do have to rejet on the smaller motors.i myself have never had that problem just from changing ratios.both of my banshees would not run on 25:1 but would scream on 40:1,im still not sure why this is but imo i think too much oil can cause bogging.

Re: oil pump block off

Posted: Tue May 03, 2011 2:35 pm
by bc117
dude if you up your jets on your banshee and run 25:1 you will surely haul more as then your small jet at 40:1

Re: oil pump block off

Posted: Tue May 03, 2011 2:49 pm
by wiguy05
pod4444 wrote: but imo i think too much oil can cause bogging.
well, then you would be wrong :jack:

Re: oil pump block off

Posted: Tue May 03, 2011 4:46 pm
by fastplastic
the banshee is premix from the get go and to much oil will cause bogging cause your flowing more oil then gas to the motor

Re: oil pump block off

Posted: Tue May 03, 2011 4:46 pm
by fastplastic
idk if "bogging" would be the right word but would cause issues

Re: oil pump block off

Posted: Tue May 03, 2011 8:11 pm
by Bear45-70
pod4444 wrote:i never had to rejet on my blasters and banshees and ive owned several but thier 200cc and 350cc vs a 50cc.maybe you do have to rejet on the smaller motors.i myself have never had that problem just from changing ratios.both of my banshees would not run on 25:1 but would scream on 40:1,im still not sure why this is but imo i think too much oil can cause bogging.
Your frickin' blasters and banshees are not the little finicky scooter motors. Forget what worked with you big cc 2 strokes and start learning about scooters.

Re: oil pump block off

Posted: Tue May 03, 2011 11:28 pm
by eliteguy50
pod4444 wrote:i never had to rejet on my blasters and banshees and ive owned several but thier 200cc and 350cc vs a 50cc.maybe you do have to rejet on the smaller motors.i myself have never had that problem just from changing ratios.both of my banshees would not run on 25:1 but would scream on 40:1,im still not sure why this is but imo i think too much oil can cause bogging.
It is all about the tuning. A Banshee is about as far away from these as you can get. BTW, I have run 18:1 through a Banshee and it worked. Just have to tune it. Same thing on these little 50s or the big 900 LC triples, blcok off plate will work. A plug will maintain more crank case pressure.