Ultima engine decode

T

Twonmototwo

New Member

Jun 27, 2026

• #1

Hello everyone
I’m new to the forum. I was hoping someone could tell me what size Ultima motor I have. HK18U7698A
It is in a 2018 Rods and Rides drop seat bobber. Thanks in advance

 

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Rottweiler

Well-Known Member

Supporting Member

Jun 27, 2026

• #2

Here is what I found. Not sure this helps?

https://static.nhtsa.gov/nhtsa/downloads/MfrMail/01-022-N11B-10698.pdf

 

Rottweiler

Well-Known Member

Supporting Member

Jun 27, 2026

• #3

Ultimaenginemanual | PDF | Ignition System | Transmission (Mechanics)

Ultima COMPANY LLC is not a representative of any other motorcycle manufacturer. Our replacement engines are not original factory equipment for some manufacturers. Harley-Davidson(r) and other model names are used as a reference only.

www.scribd.com

 

Mickmorris

Well Known Member

Supporting Member

Jun 28, 2026

• #4

Rottweiler said:

Here is what I found. Not sure this helps?

https://static.nhtsa.gov/nhtsa/downloads/MfrMail/01-022-N11B-10698.pdf

Click to expand...

Good job! If that doesn’t help him nothings gonna!