Gas tank, air box, Carb removal, NEWBIE

Hey everyone. Im brand new to the sled world and working on anything mechanically so please excuse my ignorance and any stupid questions. I purchased a 1987 phazer with only 1100 miles on it. Compression test was 145 both sides and ran pretty good. The guy selling it said it has been sitting for a year so a good carb cleaning should be done. I have the seat currently removed as that also will be getting a new cover. I have read that loosening the gas tank and sliding it back may give room for the air box to move a touch and add to easier carb removal. Is this true? Im also leary of removing the cables and tubes going to the carb. Will fuel be everywhere? Does a 87 have a fuel shut off i need to know about? Also I am having a hard time removing some screws in the process that seem to be not only rusty but a few seem to be stripped. Whats the best way to remove those? Theres 3 of them right on top of that rail holding the carbs...PB blaster didnt work and im afraid to strip them worse in case there is a better solution. Also whats the black rubber box right in front of the carbs? can i pull that off?

Gas tank, air box, Carb removal, NEWBIE

newbie

Hello all,
I'm new here and will need some advice. My last sled was a snow checked 1993 Indy 440. Great sled until I started messing with it. I've got several questions about my "new" 1999 440 Sport Touring. I'll ask them in a few different threads if that's OK. Thanks in advance for the advice.

newbie

NEWbie, Canadian! 1995 XLT Indy 600

Hey all, new guy from BC Canada.

Picked up a 1995 Polaris Indy xlt 600 (SKS? Has another thing on the back). I paid 750$ in the middle of the summer.

I'm a sled newb. I have maybe 3 hours riding one but I'm quite mechanically inclined. First few things I did was the chaincase fluid, new carbides, hood cable, and I tried greasing the thing. Wow there's a lot of grease points.

I found 4 up front, one on the steering, and 5 underneath by the track. I'll do a compression test tomorrow but it fires right up and goes pretty good. Wondering what are some things I should get ahead of on this snowmobile. It has about 4000 KM on it, which seems ok?

Anyways, happy to be here, went for a little ride last week, and can't wait for more.

I appreciate any tips or heads up on common failures. I'm going to spend the next day going through my manual. I'm a bit of a maintenance nazi and want to make sure I get it all. Here's a pic!

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NEWbie, Canadian! 1995 XLT Indy 600