Dave Ashurst
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| posted on 10/3/10 at 06:54 PM |
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Moped engine question
Dear all,
OK, I've got this fantastic little gem of a 1999 reg, 2 stroke Suzuki AY50 scooter. 50CC that is - i.e. moped to you.
ANyway the oil pump has started leaking into the sump if it's left standing. (left standing in the garage for any length of time I mean -
obviously it gets left standing at the lights quite often but without any serious after effects... I digress... )
So day after day without use the oil pump drips steadily into the sump and eventually reaches the level of a tiny gap in the exhaust gasket (I
suppose) and a small pool of red 2 stroke oil appears on the garage floor.
Apart from the stain there's an embarrassing problem of huge volumes of thick creamy white smoke as the oil clears after starting.
Basically I have the choice of creating drifting clouds of smoke fogging up the front gardens near our house while it warms up OR laying a giant
white sausage of smoke trail away from the house and round the corner for the several hundred metres.
Is the oil pump serviceable? repairable?
Or should I just buy a new pump? Plus it looks very tricky to remove - anyone done it?
This is a serious question.
Genuine replies only please 
ta
Dave 
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steve m
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| posted on 10/3/10 at 07:08 PM |
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Can you not do away with the pump, and just mix in the 2 stroke oil with the petrol,
I did this on a Suzuki gt250 years ago to give me more power,
Not sure if its safe (in a reliability type of safe )
steve
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Dave Ashurst
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| posted on 10/3/10 at 07:31 PM |
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Hmmm. Yes, good lateral thinking. I like it.
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Dave Ashurst
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| posted on 10/3/10 at 07:35 PM |
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.... what happened to the GT250?
just a thought
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deanwelch
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 posted on 10/3/10 at 07:35 PM |
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we all did it by mixing it in a petrol can 25+ years ago in our fs1es...............just make sure its well mixed or you will be cleaning oil out of
the carb..........happy days..........lol
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Dave Ashurst
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| posted on 10/3/10 at 07:40 PM |
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fs1es - now they were REAL prestige machines
Still are I bet.
(even if they went beyond the threshold of hearing)
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deanwelch
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| posted on 10/3/10 at 07:55 PM |
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so many just blown to bits trying to go a bit faster ............lol
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whitestu
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| posted on 10/3/10 at 08:23 PM |
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quote:
we all did it by mixing it in a petrol can 25+ years ago in our fs1es
FS1Es were for losers!! Proper spotty teenagers had Suzuki AP50s with a seperate oil tank!
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deanwelch
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| posted on 10/3/10 at 08:36 PM |
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go out on an ap50 come home on the bus.............go out on a fs1e maybe end up in casualty...........lol
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dave r
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| posted on 10/3/10 at 08:45 PM |
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the later fsie also had oil pump
is this the time to admit to owning the custom version?
no photo's exist!
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Horizenjob
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| posted on 10/3/10 at 08:49 PM |
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Maybe put a bike engine in it?
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clairetoo
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| posted on 10/3/10 at 08:53 PM |
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quote:
Originally posted by whitestu
quote:
we all did it by mixing it in a petrol can 25+ years ago in our fs1es
FS1Es were for losers!! Proper spotty teenagers had Suzuki AP50s with a seperate oil tank!
And some of the not so spotty ones..........
Its cuz I is blond , innit
Claire xx
Will weld for food......
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steve m
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| posted on 10/3/10 at 09:02 PM |
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".... what happened to the GT250? "
Err it caught fire !!!!!!!!!!
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Dave Ashurst
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| posted on 10/3/10 at 09:08 PM |
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quote:
Originally posted by steve m
".... what happened to the GT250? "
Err it caught fire !!!!!!!!!!
Steve,
mate  
(maybe I'll just whip the pump off after all and have a go at fixing it )
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steve m
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| posted on 10/3/10 at 09:24 PM |
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was about a year after, after another mod of mine to get more fuel into the carbs involving a fuel tap each side of the tank, so one to each carb
it is quite scary doing 80+ with a fire just below your goolies !!!
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Sprytny
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| posted on 10/3/10 at 09:55 PM |
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Manual
You should be able to download a service manual online which will tell you if it can be serviced/ repaired and how to do this. It seems as simple as a
gasket to me!
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Dave Ashurst
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| posted on 11/3/10 at 06:47 AM |
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quote:
Originally posted by Sprytny
You should be able to download a service manual online which will tell you if it can be serviced/ repaired and how to do this. It seems as simple as a
gasket to me!
Yes, I guess I'm going to have to read a manual in the end !
Thanks for all the replies and u2u's everyone. Very entertaining
best
D
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whitestu
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| posted on 11/3/10 at 08:19 AM |
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quote:
go out on an ap50 come home on the bus
I have to admit there is some truth in that. I had discount at the local bike shop for buying rebores in bulk!
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