There is a rubber plug on the chain case you will have to pull off. Then a small screw at the bottom of the case you unscrew. Fill the chain case through the rubber plug till oil comes out of the screw hole at the bottom
What fluids to add to a 1993 Polaris Indy 500 EFI Snowmobile
Most 91 polaris 400's are 2-stroke , and there is an oil tank in the front . Make sure the oil is 2-stroke oil for injection .
32oz in my 2004 Sportsman 400. After you add just check the level on the dipstick to see if you are in the right area.
(((800 plus 400) plus 400) plus 500) plus 500 = 2600
400 add 230 = 630
There should be a plug bolt on the side of the gearbox, remove this and add gear oil to this opening with a hose. There are special hoses and funnels you can purchase at your local auto parts store.
To check the chain case oil level on a 1989 Polaris Indy 500 snowmobile, locate the chain case fill plug, usually found on the side of the chain case. Remove the plug and use a dipstick or your finger to check the oil level; it should be just below the fill hole. If the oil is low, add the appropriate chain case oil until it reaches the correct level. Always ensure the snowmobile is on a level surface when checking the oil.
One reason that it mat be overcharging is due to aftermarket add-ons (extra electrical demand) or it may be caused by a poor battery which is not holding a charge.
400 + 190 = 590
To check the oil level on a 1996 Polaris 400 2-stroke, locate the oil reservoir, which is typically found near the engine. Ensure the machine is on a level surface and the engine is off. Remove the cap or dipstick, wipe it clean, then reinsert it without screwing it in to get an accurate reading. The oil level should be between the minimum and maximum marks on the dipstick; add oil if necessary.
What model is it?
under the seat