OP
UTC

Molto Verboso
PX200E X 2
Joined: UTC
Posts: 1934
Location: Lake Monticello
 
Molto Verboso
PX200E X 2
Joined: UTC
Posts: 1934
Location: Lake Monticello
UTC quote
just had a new crate px200 engine put in and I noticed a small air bubble in the oil line. Should I run a tank full of say 2% mixture (1%?) till the system fully primes
@gatekeep avatar
UTC

Molto Verboso
1974 Rally USA 200 1980 P200e
Joined: UTC
Posts: 1809
Location: Pioneer Valley Ma.
 
Molto Verboso
@gatekeep avatar
1974 Rally USA 200 1980 P200e
Joined: UTC
Posts: 1809
Location: Pioneer Valley Ma.
UTC quote
I would for at least a tank...
@chad avatar
UTC

Olivia Newton-John
p200, vbb, gt200, px150, vnb
Joined: UTC
Posts: 4494
Location: chippewa falls, wisconsin
 
Olivia Newton-John
@chad avatar
p200, vbb, gt200, px150, vnb
Joined: UTC
Posts: 4494
Location: chippewa falls, wisconsin
UTC quote
i did that when i replaced my stella oil tank. $.79 cent sparkplug is easier to replace than the other possibilities.
@joshzingzing avatar
UTC

Veni, Vidi, Posti
px200 cutdown,px180,px150. Puch SR. Puch scooterette
Joined: UTC
Posts: 5109
Location: west aus
 
Veni, Vidi, Posti
@joshzingzing avatar
px200 cutdown,px180,px150. Puch SR. Puch scooterette
Joined: UTC
Posts: 5109
Location: west aus
UTC quote
yep do it pom
@wibbo avatar
UTC

Hooked
PX200E
Joined: UTC
Posts: 172
Location: Norway
 
Hooked
@wibbo avatar
PX200E
Joined: UTC
Posts: 172
Location: Norway
UTC quote
wouldnt bother with a whole tank full, mix up a litre or so with premix. and let the bike idle while you verify oil is moving in the line going to the carb.
Once all bubbles have moved to the carb , fill it with straight gas
@e avatar
UTC

Hooked
All of the good ones at least once, some twice.
Joined: UTC
Posts: 138
Location: SLO Town
 
Hooked
@e avatar
All of the good ones at least once, some twice.
Joined: UTC
Posts: 138
Location: SLO Town
UTC quote
I wouldn't worry about it. The bubble has nothing to do with the pump working or not.
Adding oil to the tank of your injected bike or increasing your premix amount actually leans out your fuel mixture. If you're worried about getting through break in safely, I would be more concerned about richening your fuel mixture. I run at least a 120 main at sea level in a stock 200 motor.
@joshzingzing avatar
UTC

Veni, Vidi, Posti
px200 cutdown,px180,px150. Puch SR. Puch scooterette
Joined: UTC
Posts: 5109
Location: west aus
 
Veni, Vidi, Posti
@joshzingzing avatar
px200 cutdown,px180,px150. Puch SR. Puch scooterette
Joined: UTC
Posts: 5109
Location: west aus
UTC quote
really a 120 main at sea level .. on a 200
? why
@e avatar
UTC

Hooked
All of the good ones at least once, some twice.
Joined: UTC
Posts: 138
Location: SLO Town
 
Hooked
@e avatar
All of the good ones at least once, some twice.
Joined: UTC
Posts: 138
Location: SLO Town
UTC quote
joshzingzing wrote:
really a 120 main at sea level .. on a 200
? why
Because they all come with the same jetting from the factory, shipped all around the world jetted at an average of what may fowl plugs at 5,000 feet or seize at sea level, but run okay most places. Lots of experimenting and I found a 120 worked best for me in both Rally200 and P200 motors. Mostly wide open throttle highway cruising, great 3rd-4th gear pulling power. I'm at sea level in Southern California. B7ES plugs, never fouled, never seized (but passed out lots of 120 jets on long rides to soft seize victims).
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