MUZZY’S 1993 ZXR

Practical Sportsbikes (UK) - - Muzzy Kawasaki -

BRAKES

“We ran the car­bon brakes all year. Ja­panese Nissins. They worked very well but they were ex­pen­sive. You had to warm them up. You could not go out on cool brakes and run the thing into a cor­ner real deep and hope that they were go­ing to work! I think they prob­a­bly worked bet­ter than most of the other ones.”

POWER DE­LIV­ERY

“It is the ride­abil­ity of the bike that is the most im­por­tant. The power band has to be re­ally use­able. The en­gines were not peaky, they had a re­ally good torque curve. One of our main philoso­phies was to make the rider com­fort­able on the bike. This has been right through­out my whole ca­reer. If he is not com­fort­able he is not go­ing to re­ally push it.

“Power from the 750cc race en­gine in 1993? Just over [email protected],500 rpm. “

CHAS­SIS PARTS

“We had a com­plete ma­chine shop, so we may have made, for ex­am­ple, some dif­fer­ent shock links. We may make two or three dif­fer­ent lever­age ra­tios – one-off pieces to go test.

“Then, if the rid­ers liked it we would send that to Ja­pan, and then they would make it, and they would make more of them.

“And they al­ways did a bet­ter job of mak­ing them. The Ja­panese are in­cred­i­ble with stuff like that. Their de­tail and pre­ci­sion is the best .”

EN­GINE IN­TER­NALS

“We had a lot of sup­pli­ers and man­u­fac­tur­ers for ’rods, cams, pis­tons etc. in Amer­ica. But, once again, in the end most of the Ja­panese stuff was the best. For the most part I would say that the cams and pis­tons and ’rods were all made by Kawasaki. We al­ways used our ex­hausts and that was

a con­stant de­vel­op­ment too, changed many times.”

GEAR­BOX

“My opin­ion, from ex­pe­ri­ence, is the best power band works wher­ever you go. You make some­thing that has the best power curve and then use the gear­box in that range, what­ever track it is. We al­ways used Kawasaki trans­mis­sions and we had about six dif­fer­ent ra­tios for each gear. We ran all six gears.”

SWINGARM

“If we made or mod­i­fied some­thing, and if we came up with some­thing we thought was good, then Kawasaki would nearly al­ways make it for us.

“It was just that they al­ways did a bet­ter job of it. We could take a stan­dard swingarm and cut it up and add pieces to it, or what­ever it was. But you have some­thing that is a lit­tle heav­ier than it needs to be. Not when it’s made as one unit.”

“THE JA­PANESE ARE JUST IN­CRED­I­BLE AT MAK­ING STUFF. THEY AL­WAYS DID A BET­TER JOB”

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