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Post by chewbaca on Apr 18, 2018 16:08:19 GMT -5
yea ok have a good life I don't feel like playing silly games with you
as you already know all about it just go do it
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Post by chewbaca on Apr 18, 2018 10:05:47 GMT -5
what has you confused psi ? because you're using acronyms yourself
was "no you don't really need a bigger carb" to complicated
30 cubic centimetres is only 20% of 150 cubic centimetres
stock is fine
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Post by chewbaca on Apr 18, 2018 0:15:04 GMT -5
on the stock motor
you know that dead spot where you don't get more power even when you give more gas? yea that's your carb having more go than your motor can use
at fifteen psi only so much can fit into 149 cc
so no you don't really need a bigger carb
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Post by chewbaca on Apr 17, 2018 3:54:50 GMT -5
either the thermostat switch is wrong or the temperature gage is wrong
test the thermostat in a pot of water on the stove with a thermometer
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Post by chewbaca on Apr 17, 2018 3:48:09 GMT -5
Good old Jane should have her draft card invoked .... 😒
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Post by chewbaca on Apr 15, 2018 22:31:24 GMT -5
the belt should be parallel with both pulley faces
if you hold a good straight board against the veriator fan you can measure the distance from the belt at the front and then at the rear
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BBK brands
by: chewbaca - Apr 14, 2018 14:00:59 GMT -5
Post by chewbaca on Apr 14, 2018 14:00:59 GMT -5
?!?! what why is a disk supposed to be dangerous on a back wheel?
sounds like magic thinking to me
if its good on the front is good on the back
its could be useful to be able to break the back end free on a scoot
i miss power sliding on my bike
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Post by chewbaca on Apr 13, 2018 11:27:53 GMT -5
your nomenclature is not clear
so restate what you mean or give pictures please
the drive shaft has a splined section just before the threads
IF that is what you are talking about then you need to correct for the misalignment you are introducing between pulleys
or suffer a loss of belt life and power delivery
the fixed pulley side on the front must be aligned with the fixed pulley side in the back
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BBK brands
by: chewbaca - Apr 13, 2018 11:14:02 GMT -5
Post by chewbaca on Apr 13, 2018 11:14:02 GMT -5
98 % of all sliders and rollers are nylon because it is cheap but will work ok
unfortunately nylon has micro carbide bits in it as a byproduct of its manufacturing process thats why its made into green scrubbers
you know scotch bright is pure nylon
delrin however is far superior as a bushing
I would happily pay for a set of delrin sliders.
hint hint
on a cnc mill
I have have seen a steel cutting bit last through thousands of delrin parts and still be razor sharp
for nylon .... even titanium nitride coated cobalt won't last for very long
delrin however cost a little more
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Post by chewbaca on Apr 10, 2018 10:59:43 GMT -5
time money effort
you can only avoid one by doing more of the others
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BBK brands
by: chewbaca - Mar 30, 2018 0:08:05 GMT -5
Post by chewbaca on Mar 30, 2018 0:08:05 GMT -5
yea over 6000 rpm and oil starts to really make a mess out the valve cover vent if you don't have an oil trap
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Post by chewbaca on Mar 30, 2018 0:01:36 GMT -5
winglets don't do much for for the craft equipped with them
other than a small boost to lift at the wing tips
the primary purpose is the reduction of the vortex
that allows for the aircraft behind to land sooner safely
I think a land speed motorcycle would not welcome extra lift
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Post by chewbaca on Feb 24, 2018 13:43:46 GMT -5
it still sounds like you are going to need to pull the head, if your lucky you have an embossed steel gasket and can use it once more.
otherwise a new gasket is about five bucks.
a set of new valves is also about five bucks if you dont want to grind them yourself
I did mine in a hand drill against a slack harbor freight 30x1 belt sander
with worn out 600 grit sand paper, the equivalent of about 1000 grit
and before i get yelled at about the poor exploding baby orphan nuns
.......five bucks. You can afford to mess up
so clean the timing chain and cam sprocket so you can mark them
makes it easy to put back correctly
If you want I can go into more detail but its probably already on YouTube
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Post by chewbaca on Feb 21, 2018 11:53:03 GMT -5
if you want a full 100cc your going to need a stroked crank
otherwise what is called a 100 will only give you 80cc
at that point you may as well get a new 150 motor as it will cost less
and have the bigger ball bearings you'll need to have for a reliable motor
so ..... don't play with a bbc and stroke your crank or you'll bust your little balls 😂
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Post by chewbaca on Feb 20, 2018 18:50:03 GMT -5
your going to need to pull the head
so you can inspect the cylinder wall and the valve faces
for pitting or scoring
so order a new head gasket
or just get an entire new head for 40$
a new cylinder and piston can also be purchased for about 40$
or get the hole deal for about 60$
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