GPz550 Bassani exhaust on a Stage 3 big-bore Zephyr 550

IT took almost no modification to make the GPz twin-shock exhaust system fit on my Zephyr 550. Maybe there's hope for us making more power after all. ;) Big thanks to racer and machinist Brian Daigle, for his invaluable contribution of handmade, redesigned spigots for the exhaust header tubes.

Category:

Autos & Vehicles

Tags:

• Bassani
• Kawasaki
• ZR550
• Zephyr
• 550
• Motorcycle

[goldeneagle501]

That smoke is a problem

[azraphale]

@goldeneagle501 : That's condensation.  It was cold out.

[technicolorhighway]

another question

can a 550 /1100 zephyr exhaust be fit to a 750?

[azraphale]

Nope. Bore spacing and header diameter are both entirely different on all three displacements, AFAIK.

[whiteout438]

hey, you seem to know a lot about that bike... i was thinking about looking at one this weekend to buy for a first bike.. there is 59,000 kilometers on it... You think they normally run longer then that... i want it for this year at least... thanks.. P.S if i get it i want to get exhaust for it.. just a slip on i guess.. what would fit.. thanks

[azraphale]

For some reason my comment never showed up here... I think I may have answered you in email. No slip-ons available, you have to get a complete exhaust. 60k km is about when you want to lap the valves and check stem lenght and guide wear, so you'll need to replace all the top end gaskets in the process of checking everything out.

[Spencerian]

Nice Job. :)

[ibilun73]

what's wit da smoke... are the rings loose?

[azraphale]

Yep. All engine, intake and exhaust parts can be interchanged (except that the late GPz cams and gears can't be used with any pistons but late GPz pistons).

[technicolorhighway]

are the header center to center spacing same as the gpz?