Not a recommended idea, the oil pump would now be unlubricated, not good for it.
The pump should be removed/disabled.
If you change to premix you need increase the main jet size by one for 32:1 and by two for 25:1.
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- Thread starter BrianHemphill
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The pump should be removed/disabled.
If you change to premix you need increase the main jet size by one for 32:1 and by two for 25:1.
Ok so i got 4 new bolts rtv'ed the basket and boot torqued to 6lbs and put new key in torqued to 54lbs. Started first kick and ran perfect (except from the carb dumping out gas i order a rebuild kit). Also what size jets should i use with the boyesen pro series reeds? And what can i do to get more low end torque?
Ok so i got 4 new bolts rtv'ed the basket and boot torqued to 6lbs and put new key in torqued to 54lbs. Started first kick and ran perfect (except from the carb dumping out gas i order a rebuild kit). Also what size jets should i use with the boyesen pro series reeds? And what can i do to get more low end torque?
Did it pass the leak test before you rode it?
Reeds need no jet changes.
If you want more at the wheels you need to decrease the size of the front sprocket or increase the rear one.
To move the power you have to come on stronger at a lower rev a reed spacer between the red block and jug and/or a +4 deg timing mod.
You would need to pop the pump off and remove the gear.
then remove both lines, the tanks, and plug the carby hole with a vacuum plug
then remove both lines, the tanks, and plug the carby hole with a vacuum plug
Better fix the flooding problem as too much fuel in the carb will give a false idle setting which in turn will interfere with the needle and main jetting.
Too much fuel will give a false sense of security and may cover up a devastating air leak.
Ok so I'm putting it in the shop he is boreing it 20 over and putting in bigger jets (what size is recommend with this bore and K&N air filter) also rebuilding carb. What will the cc be after the bore?
Ok so I'm putting it in the shop he is boreing it 20 over and putting in bigger jets (what size is recommend with this bore and K&N air filter) also rebuilding carb. What will the cc be after the bore?
Ok so I'm putting it in the shop he is boreing it 20 over and putting in bigger jets (what size is recommend with this bore and K&N air filter) also rebuilding carb. What will the cc be after the bore?
Correct procedure is 3 - 5 heat cycles, re tension head and jug bolts, then ride 2 tanks of gas at no more than 3/4 throttle, at varying revs.
One reason for 3/4 throttle is to keep it off the main circuit until the rings have bedded.
By keeping it off the main jet, damage can be avoided if one has chosen the wrong size jet prior to plug chop.
Another reason for the lower throttle opening is to avoid the extreme pressures that push the rings outward toward the cylinder, which will prematurely wear material from the rings and cross hatching of the bore.
I consider 2 tanks sufficient to semi glaze the bore and fully bed the rings.
One reason for 3/4 throttle is to keep it off the main circuit until the rings have bedded.
By keeping it off the main jet, damage can be avoided if one has chosen the wrong size jet prior to plug chop.
Another reason for the lower throttle opening is to avoid the extreme pressures that push the rings outward toward the cylinder, which will prematurely wear material from the rings and cross hatching of the bore.
I consider 2 tanks sufficient to semi glaze the bore and fully bed the rings.
i dont get this part. By keeping it off the main jet, damage can be avoided if one has chosen the wrong size jet prior to plug chop.
The correct way to see if an engine is jetted correctly is to do a WOT plug chop.
If you WOT a fresh build you can shorten the life of the engine by excessive ring wear.
It is not wise to do a WOT plug chop on a fresh engine.
The main jet comes on at above 3/4 throttle.
If you have chosen the incorrect main jet, then by keeping at no more than 3/4 throttle, you should not fear a too lean a mixture.
If you WOT a fresh build you can shorten the life of the engine by excessive ring wear.
It is not wise to do a WOT plug chop on a fresh engine.
The main jet comes on at above 3/4 throttle.
If you have chosen the incorrect main jet, then by keeping at no more than 3/4 throttle, you should not fear a too lean a mixture.
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