what do the solenoid valves do on or for the motor i can see hoses going to the 3d rave valves to the solenoid valves on the clutch side has three places where the hoses go one does not have a hose (is it supposed to be like that) and the other soleniod valve has a hose on it where the other one doesnt . also the one on the pullstart side keeps coming off i looked on a site called ronnies snowmobile parts (mail order ) if you click on oem parts then go through the steps of your sled the year etc it gives you detailed pictures of a lot of different parts on your sled and it looks like it doesnt show a hose to the one fitting where a hose would look like it would go but any info would help and if you know what the solenoid valve is for that would be great to thanks