Updating this DIY guide to simplify and make it even easier to do. For those wishing to install GSX-R shocks on Ninjette, there is
no need to drill out upper shock bushing or your frame mounts. The 10mm bolt used for GSX-R shock is fine because it generates sufficient friction to hold bushing in between ears.
To use factory unmolested 12mm mounting ears and 10mm shock eyelet, you just need two sleeves like this. Might need to remove 1mm from width to not extend beyond width of mounting ears on frame. These fill up larger hole in frame mounting ears and allows simple bolt-on use of GSX-R 10mm bolt.
Polaris # 5135275 -
https://www.ebay.com/itm/302898035590
