I left the popping on mine I like it
The cush does take a beating being a bike single, the are about �40 for the set from Yamaha
Or you can do the mod with bits of innertube there is a big write up on here he you do a search
Enjoy

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you win some, lose some, crash some
K+N filter, snorkel removed, homemade kev mod (with his blessing), co raised,
Pipeworx cans, r1 led back light, under tray removed, small indicators, handguards, cnc short levers,