well finally got the engine back together and dicoverd the oil pump was no good hence the engine goin downhill.. as i stil need use i am going to use premix util i can afford to buy nw parts.. but my question is what ratio of petrol to oil should i use? any help appreciated

I would think a ratio of 40/1 will be ok with a good quality oil

What's wrong with the pump they are normally very reliable?

The FIRST question before considering this is.

Does the bike have any direct bearing lube. Its not uncommon for 2stroke to be pumped direct to the main bearings to make em teen proof.

sorry but "teen proof" lol i love it, ive always ran 30ml per litre no matter what the engine

I'm not sure why the pump has stopped tbh bur I took it of and put the end in a drill, to spin it and nothing at all happend, so waiting on gettin the money for new one so premix it is until that time, and 40/1 would mean one litre of oil for every 40 of petrol?

yes thats what 40/1 means, you'll have to calculate how much oil for any given amount of fuel you put in.

Tell us more about the oil pump, what did you do with a drill?

have you bled it?

are you sure it's not working or are you jumping the gun a bit here?

TooK the pump of the engine and put the end in a drill soit wud spin as if was attached to engine, undone the bleed screw and bled it, and with one pipe in a tub of oil, used the drill to spin pump, and nothing came out of other pipe, put finger over end and wasn't even any pressure at all against my finger

cant be done like that!

Put it back on with a new gasket, bleed it and test it with the engine running

In take the oil feed of the carb to see if itworks using the engine to power it? And use premix to lube engine while I do this test?

And incase I done it wrong is there a proper way of bleeding the oil pump?

In take the oil feed of the carb to see if itworks using the engine to power it? And use premix to lube engine while I do this test?

dont understand that ?

How do you suggest testing it whilst it is in place? (Attachd to engine)

re-attach it to the engine with a good gasket

ensure there is 2 stroke oil in the tank

remove the bleed screw from the pump body...oil and air bubbles will be expelled out of the bleed hole

replace the bleed screw when no more bubbles appear

disconnect the pump output pipe from the intake

start the engine and hold the pump pulley fully open with your hand

if the pump is ok (after a short while) you will see the oil pilse out of the output pipe

all this is made easier if you fit a transparent output pipe, you will see the oil pulsing through the pipe until it's full

What do you mean by hold pump pulley fully open?

you will see the pulley rotates when the throttle is opened. you dont want to open the throttle right now, so turn the pulley by hand

Wouldn't tht just have the same effect as using a drill to turn it? That was my original understandin anyway

turn what?

the pulley doesnt turn it just rotates somewhat then comes to a stop

so again...turn what?

I'm rather confused at what part u mean turn by hand :S would u possibly get picture of internet to point it out to me? As I am new to this and tend to struggle

im beginning to think the pumps have changed over the years, the ones I'm familiar with are

you can see the pulley at the front with the cable attached, as you open the throttle this pulley turns

you can see the oil feed pipe at the back, the black pipe

you can see the output pipe...heare it's a clear one

you can see the bleed screw, philips head with the red gasket ring under it

That is a different style of pump than the one that I have fiitted