?

250 . . .

160001

300001

400001

500001

600001

As Far as I know for a bike with NR.: AERDAV350NE*255322*DGM10944 OM

AERDAV : stands for the manufacture Aermacchi Harley Davidson

350 : is the volume of the engine in CC's

NE : Non Esportazione  (not for export) ,This series was made for Italian market.

     20-11- 2004 Sven Döhler mailed me and wrote NE means with Electricstarter.

N : Normal production.

255322 : is the serie nr.  where the first two digits indicate the model.

DGM10944 OM : type / model approval number.

Vin Numbers for export models from 1970 and up look like this:

3A 10406 H2 or 6A 11022 H1

also see the 1970-1980 all model table below

to indicate the model a combination of a digit and a letters was used where ;

2D : indicates the X90

3C : indicates the SX model

3D : indicates the Z90

4D : indicates the SS 175  two stroke

5C : indicates the SHORTSTER model year 1972 only.

6A : indicates the SS model

6D : indicates the SX250 two stroke

7B : indicates the 350 ERS

7D : indicates the MX250 two stroke

7H : indicates the SST from the late seventies

1F : indicates the 1974 RR250 factory road racer

then you find 5 digits (in some cases only four) to indicate the serial number 1970 and up start with serial number :10000

then you'll find a H that stands for 70, as in 1970

  from 1980 till 1989 the letter is J and from 1990 till 1999 the letter is K

then the last digit from 0 to 9 that is the year the bike is built

where 0 is 1970, 1 is 1971 etc.. there's a more specified list at the bottom

 the 1969 U.S. models only had  SS  with a 4 digit serial number (as example)

AERDAV250N14200*