Do I own a 2004 or 2005 model…?

SNY · Apr 13, 2023

Question seems silly, but hear me out..

2 years ago I bought a used Husaberg FS 650 sold as 2005 model.
But while checking workshop manuals for both models I just realised I got 2005 Speedo, 2004 front brake (6 caliper) and 2005 model year.
I am confused.
Whats the easiest way to find out which engine I got.
options are 644 - 2004
or 628 - 2005

hope somebody can help me
peace

Taffy · Apr 14, 2023

probably need to check the stroke by trying to measure it through the plug hole. it will be difficult to be accurate. the strokes are different by 2mm.
what is the engine number?
Taffy

SNY · Apr 14, 2023

Already thought about measuring the stroke but I wouldn‘t trust the result anyway.
engine number: 5-820*05476*

Taffy · Apr 14, 2023

my paperwork says that it should have been stamped 820-5*05476 but I'd say that that was a 2005.

Taffy

jojo09 · Apr 16, 2023

SNY said:
Already thought about measuring the stroke but I wouldn‘t trust the result anyway.
engine number: 5-820*05476*

Engine cases are different 04 and 05.
If it´s really a 2004 the thread to block the crank in TDC is in the front of the cases,as the 04 crank webs are round.
If it´s a 2005 it´s blocked with a thread behind the ignition cover as the crank is a bell type. (there also were bell type 04 cranks,but those are extremely rare)
If the nr. says 5 it´s at least a 05 engine.

Do I own a 2004 or 2005 model…?

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