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HusqvarnaTire Sizes
Most Huskys used Trelleborg T544 tires from 1969 thru the late 70's and rim sizes were WM1 and WM3 for this period.
Akront lip rims (yellow sticker) were used 1970 thru 75, then phased into Akront lipless alloy rims (green sticker)76-78.
This year by year  list is just started and not correct in all areas - please e-mail me with corrections
Year
Model
Rim 
Brand
style
front tire size
rear tire size
OEM tire brand
(these don't lineup
horizontally)
notes
1966
 250/360
Dunlop
Radelli
no brand
steel
3.00x19
4.00x18
Dunlop
 
1967
250/360
same
3.00x19
3.00x21opt
4.00x18
Dunlop
Trelleborg
Continental
 
1968
250/360
same
3.00x19
3.00x21opt
4.00x18
Dunlop
Trelleborg
Continental
 
1969
250/360/400
same
3.00x21
4.00x18
Trelleborg T544
 
1970
250/360/400
Akront
lip style
yellow
3.00x21
4.00x18
Trelleborg T544
 
1971
250/360/400
same
3.00x21
4.00x18
Trelleborg T544
 
1972
125
250/400/450
same
3.00x21
3.50x18
4.00x18
Trelleborg T544
 
1973
125
250/360/400/450 
same
3.00x21
3.50x18
4.00x18
Trelleborg T544
Metzler opt
Barum opt
 
1974
125
250/360/400/450
same
3.00x21
3.50x18
4.00x18
Trelleborg T544
Metzler opt
Barum opt
 
1975
175/250
360CR
400/460
Akront
no lip
green
3.00x21
4.00x18
4.50x18
4.20x18
Trelleborg T544
Metzler opt
Barum opt
 
1976
125/175
250CR
/360
360 automatic
same
3.00x21
4.00x18 
4.00x18
4.50x18
4.75x18
Trelleborg T544
Barum
 reported green sticker
front, yellow on rear rim
1977
125
250/360
390
360 automatic
same
3.00x21
 4.00x18
4.25x18
4.50x18
4.75x18
Trelleborg T544
Barum
reported green sticker
front, yellow on rear rim 
1978
125
250
390
390 automatic
Nordisk
gold
3.00x21
4.00x18
4.50x18
 5.00x17
Trelleborg
 Barum
 
1979
 125
250/390
390 auto
same
3.50x21
 4.50x17
5.00x17
5.50x17
 Trelleborg
Barum
 
1980
 125
250/390
390 auto
same
3.00x21
3.50x21
 4.50x17
5.50x17
 Trelleborg
Barum
 
1981
 125
250/430 CR
250/430 WR
420 Auto
same
3.00x21
4.50x17
5.00x17
 5.50x17
CR/XC-Pirelli
 XC/WR-Barum
 
1982
 125
250/430
500
same
3.00x21
3.50x21
4.50x17
5.00x17
 5.50x17 
 CR/XC-Pirelli
WR - Barum
 
1983
 125CR
250/500 CR
250/430 WR
Nordisk
pale gold
3.00x21
 4.50x18
5.00x18
Trelleborg 
CR- Pirelli rear
 
1984
125
250/430/500
 500/510TC/TX/TE
same
3.00x21
 4.50x18
5.00x18
Trelleborg 
CR- Pirelli rear
 
1985
125
250/400
510 TE/TX/TC
3.00x21
   CR- Metzler
XC/WR - Trelleborg
 
1986
125
250/400/500
430 auto
510 TC/TX/TE
3.00x21
4.25x18
4.50x18
4.50x18
4.50x18
 CR/XC/WR - Metzler
Auto - Trelleborg
 
1987
125
250/400/500
430 auto
510 TC/TX/TE
3.00x21
4.25x18
4.50x18
4.50x18
4.50x18
 Metzler
Trelleborg
 
1988
WRK125
250/430WR
510 TC/TE/TX
430Auto
Nordisk
Excel
3.00x21
4.25x18
4.50x18
4.50x18
4.50x18
 Metzler
Trelleborg
 
1989
125/250/510WXE
125/250/510 WMX
Excel
3.00x21
4.50x18
 Pirelli
Metzler
Auto - Trelleborg
 
1990
125/250/510WXE
125/250/510 WMX
Excel
3.00x21
4.50x18
   
1991
125/250/510WXE
125/250/510 WMX
3.00x21
4.50x18
   



This list below is just for online reference of metric sizes. It is only for that purpose until someone helps with further development.

Front tire sizes
old Metric Size
new Metric alt Size
vintage Inch Size
Rim sizes
Notes
60/100
90/80
2.50/2.75
1.60 x 21/ WM1
 
70/100
90/90
2.75/3.00
1.60 x 21/ WM1
 
80/100
100/80
3.00/3.25
1.60 x 21/ WM1

Rear Tires Sizes
80/100
80/90
2.50/3.60
2.15 x 18 / WM3
 
90/100
110/90
3.60/4.10
2.15 x 18 / WM3
 
100/100
120/80
4.00/4.10
2.15 x 18 / WM3
 
110/100
130/80
4.00/4.50
2.15 x 18 / WM3
 
140/80
4.00/4.75
2.15 x 18 / WM3
120/100
120/100
5.00/5.10
2.15 x 18 / WM3
Husqvarna Tire/Rim discussion- please e-mail to husky@intrepid.net



Wanted - tire and rim experience for comment here!

just some random tire topics you might comment about -
correct sizes for year to year list above
brand and model of current offerings that replace vintage tyres
weight of tires - best choice considering all aspects
weight of tubes - something to consider?
weight of rims/spokes - what and where to get trick stuff
heavy duty tires/tubes for enduro or desert
use of inserts to replace tubes - foam or balls
rim locks - best , lightest, replace with screws
cross 2, cross3, cross 4 lace patterns
conical hubs, spool hubs
drill patterns in rims


Additional info -
in regards to rim width
WM1 = 1.60"
WM2 = 1.85"
WM3 = 2.15"
WM4 =