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1982 GS750E / GS1000SZ piston interchangeability question

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

Guest
Does anyone know if the 1980-84 GS750E pistons w 70mm bore can be used in the GS1000SZ engines without any issues? Stroke is 53mm for the 750 and 66mm for the 1000.

Wiseco does not believe they are interchangeable due to stroke differences however Yoshimura lists the GSX750 and GSX1000 pistons as the same piston at 70.3mm bore...

Anyone have experience using 750 pistons in the 1000 blocks once machined to fit?
 
seem the pin location and or diameter would be different?
not sure about the valve angles of the kat for the 750 eye brows either.
i can't say for sure..
 
Both have 18mm piston pins, pin location might be the difference - does anyone have a 750 piston I could borrow to check dimensions against what I have?
 
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