Scooter wont run up hill
Moderator: Moderator
- Editian182
- Noob

- Posts: 3
- Joined: Sun Sep 11, 2011 11:57 pm
- Location: Georgia
Scooter wont run up hill
I have a 85 spree. When given full throttle totally loses power and shuts off. When on flat land runs fine but with some hesitation(still cant give the spree full throttle). When going uphill is when the problem really occurs(loses all power and cant go full throttle).
Any help or tips are greatly appreciated!!!!
Any help or tips are greatly appreciated!!!!
Re: Scooter wont run up hill
Do you have the airbox and air filter on?
Bear 45/70

'83 Aero 80 X 3
'84 Aero 80 X 3
'85 Aero 80
'84 Aero 125 X 2
'84 Aero 125
'84 Aero 125 X 2
'85 Aero 50
'85 Spree
'83 Aero 80 X 3
'84 Aero 80 X 3
'85 Aero 80
'84 Aero 125 X 2
'84 Aero 125
'84 Aero 125 X 2
'85 Aero 50
'85 Spree
- mopro logan
- Spree

- Posts: 123
- Joined: Thu May 26, 2011 4:52 am
- Location: 49660
Re: Scooter wont run up hill
Bear45-70 wrote:Do you have the airbox and air filter on?
If you do have the air box on I would look for any air leaks. If all is there with no leaks. I would then take off the carb and give it a good cleaning.
Re: Scooter wont run up hill
How can you give advise without knowing all the conditions of the engine? 
Bear 45/70

'83 Aero 80 X 3
'84 Aero 80 X 3
'85 Aero 80
'84 Aero 125 X 2
'84 Aero 125
'84 Aero 125 X 2
'85 Aero 50
'85 Spree
'83 Aero 80 X 3
'84 Aero 80 X 3
'85 Aero 80
'84 Aero 125 X 2
'84 Aero 125
'84 Aero 125 X 2
'85 Aero 50
'85 Spree
- mopro logan
- Spree

- Posts: 123
- Joined: Thu May 26, 2011 4:52 am
- Location: 49660
Re: Scooter wont run up hill
What else do you need?? He said runs ok but not a full throttle. You say do you have air box and filter.Bear45-70 wrote:How can you give advise without knowing all the conditions of the engine?
I say don't be a hypocrite
also with the description he gives the main things that I have learned that cause this are no air box or air leak and maybe even low compression.
All I was doing was trying to give a place to start.
- Editian182
- Noob

- Posts: 3
- Joined: Sun Sep 11, 2011 11:57 pm
- Location: Georgia
Re: Scooter wont run up hill
I do have an airbox. No filter in the airbox. When i bought the scooter it ran perfect and since an oil change it has not. I have heard cleaning the carb does help. Would nOt having a air filter really matter that much?... I have been running the scooter for about two weeks without one.
- swimmingfree
- CBR1000RR

- Posts: 3065
- Joined: Tue Jun 14, 2011 12:28 pm
- Location: mich.
Re: Scooter wont run up hill
without the filter you are sucking crap in the motor and it is or will ware out your rings making you lose compression and bringing the motor to its death..
clean the carb you have suck a lot of dust and what not in it so cleaning the carb wood not hurt ..
swimmingfree
clean the carb you have suck a lot of dust and what not in it so cleaning the carb wood not hurt ..
swimmingfree
handicap (dyslexia)
looking for
se50 crank...
SpreJunk 87elite in a spree body
ruckus variator , 3.5 tire , 1500 drive face spring , a 64 bbk ,
8 gram rollers, stock carb , after market air filter and 105 jet
looking for
se50 crank...
SpreJunk 87elite in a spree body
ruckus variator , 3.5 tire , 1500 drive face spring , a 64 bbk ,
8 gram rollers, stock carb , after market air filter and 105 jet
- Wheelman-111
- Moderator

- Posts: 10683
- Joined: Wed Oct 22, 2008 5:09 pm
- Location: Deepinnaharta, Texas
Re: Scooter wont run up hill
Greetings:
The immediate problem due to a lack of filter isn't the dirt that's being drawn into your engine. That will be an issue down the road, but rat now the issue is that the air enters without inducing the negative pressure that the oiled element induces when it's in the box. Honda-san was counting on that negative pressure when he sized the Pilot circuit as well as the Main jet. Consequently, there's not enough fuel being sucked into the intake stream to match the generous gulps of air. In short, the engine is running lean. That will ruin your engine much quicker than the dirt.
The immediate problem due to a lack of filter isn't the dirt that's being drawn into your engine. That will be an issue down the road, but rat now the issue is that the air enters without inducing the negative pressure that the oiled element induces when it's in the box. Honda-san was counting on that negative pressure when he sized the Pilot circuit as well as the Main jet. Consequently, there's not enough fuel being sucked into the intake stream to match the generous gulps of air. In short, the engine is running lean. That will ruin your engine much quicker than the dirt.
Wheelman-111
Most of my money is spent on scooterparts. The rest is just wasted.
"ISO": '03 Vespa ET4 Malossi187 74MPH
Flash 9: 2001 Elite SR Contesta 72 ZX Tran, 9:1 Gears, Stock Airbox/Carb/Pipe 58.8 MPH
Punkin: 2010 Vespa/Malossi S78, 61MPH
Most of my money is spent on scooterparts. The rest is just wasted.
"ISO": '03 Vespa ET4 Malossi187 74MPH
Flash 9: 2001 Elite SR Contesta 72 ZX Tran, 9:1 Gears, Stock Airbox/Carb/Pipe 58.8 MPH
Punkin: 2010 Vespa/Malossi S78, 61MPH
Re: Re: Scooter wont run up hill
Oil change on a spree?Editian182 wrote:I do have an airbox. No filter in the airbox. When i bought the scooter it ran perfect and since an oil change it has not. I have heard cleaning the carb does help. Would nOt having a air filter really matter that much?... I have been running the scooter for about two weeks without one.
-
mark.nichols18
- BMX

- Posts: 41
- Joined: Fri Sep 09, 2011 12:48 pm
- Location: georgia
Re: Scooter wont run up hill
The kid he bought it from had thick engine oil in the oil tank so we drained it and put 2 stroke oil in it and then it had no power after that we will be cleanin the carb soon anx putting a filter in it but i was thinking the motor is toast cuase with 2 stroke oil in it it smokes ba and with the thick oil in it it doesnt smoke before we changed that oil it was doing 35 on flat land anx running good
- swimmingfree
- CBR1000RR

- Posts: 3065
- Joined: Tue Jun 14, 2011 12:28 pm
- Location: mich.
Re: Scooter wont run up hill
smoking is good ..it shood let up in a fue if you think the motor is bad do a compression test but ill bet its good
swimmingfree
swimmingfree
handicap (dyslexia)
looking for
se50 crank...
SpreJunk 87elite in a spree body
ruckus variator , 3.5 tire , 1500 drive face spring , a 64 bbk ,
8 gram rollers, stock carb , after market air filter and 105 jet
looking for
se50 crank...
SpreJunk 87elite in a spree body
ruckus variator , 3.5 tire , 1500 drive face spring , a 64 bbk ,
8 gram rollers, stock carb , after market air filter and 105 jet
-
mark.nichols18
- BMX

- Posts: 41
- Joined: Fri Sep 09, 2011 12:48 pm
- Location: georgia
Re: Scooter wont run up hill
Ok im kinda new to the 2 stroke world but why is smoking good i thought you didnt want to your scooter to smoke ... I got a bbk kit on my spree and it doesnt smoke at all and runs like a champ
- swimmingfree
- CBR1000RR

- Posts: 3065
- Joined: Tue Jun 14, 2011 12:28 pm
- Location: mich.
Re: Scooter wont run up hill
oil is mix in the gas and if it smokes it oiled and running with out oil means it will burn up..
yes to munch ant good eather..
4 cycle motor reuse the same oil over and over but the 2 cycle burn it up as it lubrica
swimmingfree
yes to munch ant good eather..
4 cycle motor reuse the same oil over and over but the 2 cycle burn it up as it lubrica
swimmingfree
Last edited by swimmingfree on Tue Sep 27, 2011 1:55 pm, edited 1 time in total.
handicap (dyslexia)
looking for
se50 crank...
SpreJunk 87elite in a spree body
ruckus variator , 3.5 tire , 1500 drive face spring , a 64 bbk ,
8 gram rollers, stock carb , after market air filter and 105 jet
looking for
se50 crank...
SpreJunk 87elite in a spree body
ruckus variator , 3.5 tire , 1500 drive face spring , a 64 bbk ,
8 gram rollers, stock carb , after market air filter and 105 jet
Re: Scooter wont run up hill
swimmingfree wrote:oil is mix in the gas and if it smokes it oiled and running with out oil means it will burn up..
yes to munch ant good eather..
cycle motor reuse the same oil over and over but the 2 cycle burn it up as it lubrica
swimmingfree
And if I deciphered he last part of it right................WRONG!
Bear 45/70

'83 Aero 80 X 3
'84 Aero 80 X 3
'85 Aero 80
'84 Aero 125 X 2
'84 Aero 125
'84 Aero 125 X 2
'85 Aero 50
'85 Spree
'83 Aero 80 X 3
'84 Aero 80 X 3
'85 Aero 80
'84 Aero 125 X 2
'84 Aero 125
'84 Aero 125 X 2
'85 Aero 50
'85 Spree
-
mark.nichols18
- BMX

- Posts: 41
- Joined: Fri Sep 09, 2011 12:48 pm
- Location: georgia
Re: Scooter wont run up hill
Ok i cleaned the carb and now editian182's spree runs like a top that thing is crusin and is preatty d*** fast now thanks for everyones help
