So far, this swap has only been done on 1978 GS1000's.
If you are attempting this on another type of GS, ask me, I may be able to help you figure it out for your model.
It only works if you use fork legs from a dual disk bike.
Rotors from a single disk bike.
And the correct calipers.
It's that simple. If you don't understand how, or why it works, read it again, ask questions or don't attempt it.
The parts I used:
- 1978 GS1000E forks. The fork lowers MUST BE FROM A DUAL DISK BIKE
- Pair of rotors from a Single disk bike 550 or larger. Any year should work, but 78, to 80 are what I used. 78 1000C 791000N 78,79 GS750 78,79,80 GS550
- Pair of 1990 something Kawasaki Ninja twin piston calipers. See list below for the correct calipers.
- Two custom made lower brackets. (made by me) EDIT: These were the prototypes. If you want the real deal, send a message to salty monk Here's the thread: Link
- If you decide to follow me down this path, you do so at YOUR OWN RISK. This thread is for entertainment only.
This is the list of the Kawasaki models that used the correct caliper for this swap.
EX 250 Ninja 1988 to 2007 (single caliper on right side)
EX 500 Ninja 1994 to 2007 (single caliper on right side)
ZL 600 B1 Eliminator 1995 to 1996
ZR 550 B1/B2/B3 Zephyr 1990 1992 1993
ZX 600 C1-C9 Ninja 600 R 1988 to 1996
ZR 750 C1/C2/C3 1991 to 1993
ZX 750 F1/F2/F3/F4 Ninja 1987 to 1990
ZG 1000 A9-A20 Concours 1994 to 2006
ZX 1000 B1/B2/B3 Ninja ZX10 1988 to 1990
Suzuki also used this caliper on the VX800, GS500 and the GSX1100G
Prototype steel brackets mounted on a 1978 GS1000:
Forks:
Suzuki GS550 (83-86) GS750SD GS850 all GS1000 all GS1100ET/EX/EZ/ED/ESD/GZ/GD/GLZ/GLD/LT/SD GS1150 all used 37mm forks. Caution: Some models use leading axle forks and can not be swapped without the triple.
GS550 (77-82) GS550MZ GT550 GS650 (except Katana) GS750B/C/EC/N/EN/ET/EX/EZ/LT/LX/TZ/TD all used 35mm forks. Caution: Some models use leading axle forks and can not be swapped without the triple.
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