Slide Rail Suspension; Removal - Yamaha BR250F Service Manual

4-8. SLIDE RAIL SUSPENSION
A. Removal
1. Loosen the track.
2. Seal the carburetor so fuel will not spill
when you turn the machine on its side.
(Refer to 1-6, C "Sealing the Carbure-
tor.")
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3. Turn the machine on its side, and lift the
rear torsion spring off its seat to release
the preload. Repeat this procedure on
the opposite side.