Since 1977

 

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FALCON "CLASSIC" MOTOCROSS RANGE

 

MOTOCROSS SHOCKS - PRE 65 & PRE 75 APPLICATION LIST

Make
Year

Model CC

Shock Length
(inch)*

Spring Rate
(lb/inch)*

Bolt Fixings
(mm)*

AJS

         
1968-69 34Y4 scrambler 250 12.9 70 ⅜"x24
1969-71 Y4 scrambler MK11 250 13.4 70 ⅜"x24
1969-71 Y5 scrambler 370 12.9 100 ⅜"x24
1979 onwards Y41 scrambler 250 12.9 70 ⅜"x24
1979 onwards Y51 scrambler 370 12.9 70 ⅜"x24
1979 onwards Stormer 250/410 12.9 70 ⅜"x24
1979 onwards 250/360X 250/360 15.65 100 10x24

BSA

         
1963 onwards C15 scrambler 250 12.9 70 T⅜"x24
B
½"x24
1966 Victor Enduro 440 12.9 70 T⅜"x24
B
½"x24
1970-72 B25 Victor 250 12.9 70 ⅜"x24
1970-71 B50 Victor 500 12.9 70 ⅜"x24
1972 B50 Victor 500 12.9 70 ⅜"x24
1973 B50 Victor 500 12.9 70 ⅜"x24

BULTACO

         
1968-70 E1 Bandido   13.4 70 12x20
1966-72 Pursang Scrambles 250 13.4 70 12x24
1973 Pursang MK6 250/360 13.4 70 12x24
1974-78 Pursang MK7 250/360 13.4 70 12x24
1975 Pursang MK8 250/360 13.4 50 12x24

CCM

         
1974 Scrambler 500 14.4 70 ⅜"x24
1975 Scrambler 500 14.4 70 ⅜"x24
1976 Scrambler 500 14.15 90 8x24
1977 Scrambler 500 14.15 90 8x24

CHENEY

         
  Victor 440 13.4 70 8x24

CZ

         
1964/74 Twin Port 250/360 13.4 70 8x24
1969 Single Port 250/360 13.4 70 8x24
1970/74 Single Port 250/360 13.4 70 8x24
1976 Centre Port 250/400 13.4 90 8x24

COTTON

         
  250 250 13.4 70 ⅜"x24

DOT

         
1964 250 DOT 250 12.9 70 ⅜"x24

GREEVES

         
1960 Hawkstone 250 12.5 70 ⅜"x24
1969-75 Griffon 250/380 12.0 70 ⅜"x24
1969-75 Griffon MKII 380 12.9 100 ⅜"x24
1970-76 Griffon Forks   13.9 50 T8x20
B8x29
1964-68 Challenger 250 12.0 50 ⅜"x24

HONDA

         
1973-74 CR125/250 125/250 14.15 60 10x24
1976 onwards Elsinore CR125 125 13.4 100 8x24
1973-75 CR125/250 125/250 14.15 70 12x24
1976-77 CR125/250 125/250 13.4 100 8x24

HUSQVARNA

         
1963 Bolt up 250 12.0 70 10x24
1967-73 125/250/360/400 125/250/
360/400
12.9 70 10x24
1973-74 CR250/390/350
(vertical suspension)
250 12.9 70 10x24
1975-76 CR250/350 250/350 12.9 70 10x24
1976-78 CR & WR 125/250/390 14.9 70 8x24

KAWASAKI

         
1974 KX250A3 250 14.4 70 12x24

KTM

         
1974 100/125 100/125 12.9 100 T8x24
B10x24
1974 onwards 175/250/400 175/250/400 13.4 125 T8x24
B10x24
1976 400 400 13.4 100 8x24
1977 MC5 400 13.4 100  

MAICO

         
1968-74 250/400/440 250/400/440 13.4 70 8x24
1975-77 250/400/440 250/400/440 14.15 120 8x24

METISSE

         
  Large Frame
Motocrosser
4 Stroke
Engines
13.65 70 ⅜"x24
  Small Frame
Motocrosser
2 Stroke
Engines
12.9 50 ⅜"x24

MONTESA

         
1972 CAPPRA - VA 250 14.15 50 12x24
1973 CAPPRA - VR 250 14.15 60 12x24
1974 CAPPRA - VR 250 14.15 70 12x24

OSSA

         
1974 Phantom 250 15.15 70 T15x24
B8x24

SUZUKI

         
1971 onwards   125/175/350 12.9 70 12x24
1972 TM250 250 14.15 50 8x24
1975 RH250 250 14.15 125 10x24
1976 RA 250/370 15.4 100 8x24

WASSEL

         
1972 Gazelle 125 12.0 60 ⅜"x24

YAMAHA

         
1969 onwards   125/175/250 12.0 70 10x24
1973 onwards 250/400MX 250/400 12.9 70 10x24
Make
Year
Model CC Shock Length
(inch)*
Spring Rate
(lb/inch)*
Bolt Fixings
(mm)*
* Unless otherwise stated
All suggested spring rates correspond to a rider weight of approx 76 Kg (12St).
It will be necessary to change the spring rate for heavier or lighter riders.

 

4" Travel Spring Rates Available

265mm Long x 40mm Inside Diameter
40lb/inch 70lb/inch 100lb/inch
50lb/inch 80lb/inch 110lb/inch
60lb/inch 90lb/inch 140lb/inch
To convert from lbs/inch to Kg/mm divide spring rate by 55.99
 

Standard 4" Travel Shock Lengths

12.0 13.4 15.65
12.25 13.65 15.9
12.4 13.9 16.15
12.5 14.15 16.4
12.65 14.4 16.65
12.75 14.65 16.9
12.9 14.9 17.15
13.0 15.15 17.4
13.15 15.4  
All the above lengths are between mounting bolt centres and are measured in inches. Multiply by 25.4 for millimetres
 
Steel shocks are available in all the above lengths.
Lightweight aluminium shocks are only available in lengths from 12.9 to 16.9 inches

 

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