Identification problem
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Stage III
Joined: Dec 2022
Posts: 3
Likes: 1
From: Kent
Identification problem
Hi everyone I have just joined and am hopefully going to view and purchase a harley tomorrow I at the moment own a 1975 Norton commando mk3 and have been tempted by this harley but identification is becoming a problem these numbers and specs were taken from the V5 document which is in the owners name, The bike is by no means standard but I need to know what it is before I commit to it, the year is given as 1980 making it a historic vehicle the VIN no is3F61821 the engine no is DKW571085 and the cc is given as 1340cc from this info could someone please tell me what I am looking at Many thanks Chris
Seasoned HDF Member
Joined: Aug 2007
Posts: 8,195
Likes: 3,085
From: NW AR
I dunno, Chris. My shop manual says that a 1980 VIN should me something like 2A12141J0, with 2A being the model (and 3F is not listed as a model for a '78.5 to '80 big twin,) FX's have a 60K and up next set, so 61821 would fit a FX, then a H or J for 2nd to last to designate Harley-Davidson with J for 1980, and the last digit should be a 0 for a 1980. That motor number doesn't fit either pre-1981 or post, and the motor number should match the VIN. It might be an aftermarket set. Pics would help.
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,005
Likes: 7,540
From: Poolville
The engine Vin is correct for an 89 Dyna 1340. Not a 1980. Can you get the VIN number that is stamped in the neck of the bike? It has an HSR MIK, shorter pushrod tubes that indicate adjustables, So most likely a cam upgrade as well. Looks like an FXRS.. What are they asking and does it carry a legit title.. Get the correct vin... And where are you.. I'm suspecting England and don't know what proper paperwork would be there.. but get the VIN...
Last edited by 98hotrodfatboy; Dec 30, 2022 at 08:41 PM.
Seasoned HDF Member
Joined: Aug 2007
Posts: 8,195
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From: NW AR
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Club Member
Joined: Mar 2009
Posts: 66,094
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From: Niles Canyon Ca.
Suspect it's a Frankenstein, I'm seeing a mix of later year parts on that bike and no way any of it's shovel related.
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Thread Starter
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Stage III
Joined: Dec 2022
Posts: 3
Likes: 1
From: Kent
Is it a a 1340 shovelhead engine as I want to stay away from the 1450 cam chain problem I will probably not now complete tomorrow and try and get photos of the numbers anything else I should look for Thanks Chris