2003 Polaris Deep Snow Snowmobiles Service Manual, Page 235Get this manual
BODY AND STEERING Models With Grommets In Tool Flap
13Close tool flap cover, making sure it is aligned properly, and mark grommet holes14Align twist lock with mark from step 13Verify alignment with grommet in tool flap15Using twist lock as template, drill two .160 to .164 holes through vinyl and seat base16Rivet twist lock to seat base using rivets provided
Tool Flap Cover Grommets
All Models
17Trim excess vinyl from the bottom around the back of the seat area only after satisfactory fit is obtained18Reinstall seat by reversing disassembly steps as they apply to your particular model