Rubber mounting grommet replacement for Yamaha XJ650 Maxim

Replacement for rubber mounting grommets that hold the side panels on my 1982 Yamaha Maxim XJ650 J and other similar motorcycles. These esoteric rubber parts tend to stiffen and crack before other parts wear out on these now ~40-year-old motorbikes. Why not print new ones with flexible filament?

Background

This design matches the part described on xj4ever.com as:

HCP24630 Aftermarket round rubber mounting GROMMET, used on all of the following models and positions as shown below.

- XJ550 Maxim models, use 2 per cover, fits onto the airbox-mounted pegs that the molded front upper and lower mounting "C"-ears slide onto.

- XJ550 Seca models, use 1 per cover, fits onto the frame peg that the rear upper molded mounting "C"-ear slides onto.

- FJ600 all models, use 2 per cover, fits onto the frame peg that the molded mounting "C"-ears slide onto.

- XJ650 all Maxim and Midnight Maxim, use 2 per cover, fits onto the frame peg that the molded mounting "C"-ears slide onto.

- XJ650RJ Seca, use 1 per cover, fits onto the frame peg that the rear upper molded mounting "C"-ear slides onto.

- XJ700 all models, use 2 per cover, fits onto the frame peg that the molded mounting "C"-ears slide onto.

- XJ750 Seca models, use 1 per cover, fits onto the frame peg that the rear upper molded mounting "C"-ear slides onto.

- XJ750RL and XJ900RK, RL, N/FN, and F models, use 2 per cover, fits onto the frame peg that the rear upper and front lower molded mounting "C"-ears slide onto.

(source: https://xj4ever.com/catalog/n.html)

This design matches the dimensions of the original very closely.

Printing

General notes

• The “avoid crossing perimeters” feature is advised to prevent stringing and oozing.
• Supports are needed for the print and are difficult but possible to remove in TPU. PrusaSlicer's “Snug” support setting made it easy to remove support from the overhang.

ColorFabb varioShore TPU

I printed this part in black ColorFabb varioShore TPU at 220°. With this filament, 20% density gyroid infill matched the stiffness of the original rubber part decently.

Other materials

If you print this in another material and it works, let me know and I'll add instructions here!

Included files

• Fusion files for easy remixing
• Print files for TPU on Prusa MK3/S/+ with preset slicer settings for correct infill and avoiding stringing
• STL

Use

I'll be happy to see anyone print this for their bike. Please post makes :)

If you would like to buy or sell this part, please message me!