<![CDATA[Cagiva Mito/Raptor/Planet N1 Engine Bearing List]]>Useful bearing part numbers for the N1 Cagiva Mito/Raptor/Planet Bottom End:

Name Dimensions (mm) Part Number OEM Part Number Notes
Left Hand Main 25x62x17 6305C3 800098349 Can obtain C4 for looser clearances. C4 bearings have additional internal radial clearances to allow expansion in high speed / temperature environments.
Right Hand Main 25x62x17 6305C3 800098349 Can obtain C4 for looser clearances. C4 bearings have additional internal radial clearances to allow expansion in high speed / temperature environments.
Left Hand Balancer Shaft 15x42x13 6302 800053248
Right Hand Balancer Shaft 15x42x13 6302 800053248
Left Hand Gearbox Output Shaft 20x52x15 6304 800024947
Right Hand Gearbox Output Shaft 20x28x13 RNA-4902 800036440
Right Hand Gearbox Input Shaft 17x47x14 6303 800043382
Left Hand Gearbox Input Shaft 16x24x13 RNA-NA4901 800037198
Left Hand Water Pump Shaft 8x12x8 HK0808 800047678
Right Hand Water Pump Shaft 12x16x10 HK1210AA 800033718
Oil Pump Shaft 8x12x8 HK0808 800047678
Output Gear Pump Shaft 13x19x12 HK1312 800049016
Selector Drum Shaft 24x30x7.5 HK24X30X7.5-TN 800062200 This will need to be salvaged due to replacement parts not being easily accessible. Shares parts with KTM/Husqvarna but very expensive and not load bearing so not worth replacing IMO.

To completely overhaul the engines bearings you'll need a total of 13 bearings for the crank cases.

I have spent all day on this and I THINK it's correct. I've checked and cross referenced the part numbers and my existing cases and have tried to marry up the numbers to real-world buys. If there is a mistake please let me know and I'll update the table.

The links are not affiliated, they're just a reference to what's around.

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