Check the listing for details. 1991 Ski Doo Formula Plus Speedometer OEM 414682000. Condition: Used. Listed at 12.95 USD. In gauge box. This listing is for a single used speedometer for a 1991 ski doo formula plus I have 3 available and they all have different milage on them you will get the one with the lowest miles if your the first to buy and the one with the highest miles if your the last to buy. At the price you can't go wrong as these are very expensive new! Check out my ebay store for more items!! We have been in the snowmobile and outboard salvage business for 40 years and have an extensive inventory of N.O.S. and used parts from 1965-present.Also we have a large inventory of hard to find N.O.S. Raider snowmobile parts. Thank you for looking and have a great day !! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.