While going through my notes, I have found this list of seals and bearings so I thought I’ll share it with you all, maybe some of you will find it useful. It is not a complete list of all bearings, but most are in this list. 

# Yamaha XT660Z Suspension Bearings and Seals

• Front wheel bearings 2x 17x40x12 6203-2rs seals 2x 23x40x8   
• Swingarm pivot bearings 2x (but can be fitted 4x without bushings, like i did – read more here) 22x28x20 (SKF KK2220) seals 4x 22x28x8   
• Swingarm to dogbones 2x 17x24x15 seals 2x 17x24x3   
• Linkage to dogbones 2x 17x24x15 seals 2x 17x24x3   
• Linkage to shock 1x 17x24x15 seals 2x 17x24x3   
• Linkage to frame 2x 17x24x15 seals 2x 17x24x3   
• Rear wheel 2x 17x40x12 7203-2rs seal 1x 23x40x6   
• Sprocket carrier/hub (not modified) 1x 5303-2rs seal 1x 30x52x7

# Yamaha XT660Z Engine Bearings and Seals

• Crankshaft counterweight 2x 62x25x17 seal 1x 25x40x3
• Crankshaft bearings 2x KOYO 6308 (YA3)   
• Output shaft Right NSK 804 6004DLA8 (+seal between shaft and closed casing)   
• Output shaft Left 1x 6305 seal 1x 35x59x2   
• Gear lever shaft seal 1x 12x22x5   
• Gearbox 2nd shaft Left 804 6004 DLA8
• Gearbox 2nd shaft Right 6205

Explore More!

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• Story of my lovely Bombproof Yamaha XT660Z tenere!
• Yamaha XT660Z Bearing and Seal Sizes – cheat sheet!
• How to make motorcycles Cable Clutch lighter! (Part 1/3)
• Cheap ways to make your motorcycles clutch lighter! (Part 2/3)

All Yamaha XT660Z faults and hiccups that left me scratching my head.

1. How to fix rattling headlight reflector
2. How the regulator rectifier overcharged my Tenere’s battery.
3. Funny oil leak, or how i lost 1 liter of oil in 500 miles.
4. Funny story: how my XT660Z fuel reserve light tricked me, leaving me stranded!
5. How the starter relay got fried twice on my xt660z!
6. How I fixed a squeaky / rattly dash on my xt660z!

All Yamaha XT660Z Mods!