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Z1a BHP
Moderators: chrisu, paul doran, Taffus, KeithZ1R
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- Custard Cream
- Posts: 910
- Joined: 31st Mar 2014
- Location: Runcorn
Re: Z1a BHP
Back in the day, Motorcycle Mechanics tested a Z1a at 67-68 bhp at the wheel on a sexy Heenan Froude dyno
Re: Z1a BHP
ZedHead wrote:tlc wrote:I took BunnysZ1a to the local dyno.
It made 78 rwhp which I thought was very good.
I would live with that. What pipes does it have Chris?
It was bog stock.
Asphalt Cowboy Z1100R, 1981 Z1000J
Re: Z1a BHP
zed1015 wrote:Around 80 to 83hp at the CRANK for a stock 900 depending on year and what manual you read.
A little bit less at the wheel due to losses through the drive train and knock about 20 hp and 40 mph off the top end if fitted with one of those iffy restrictive pattern 4x4 pipes that were produced a while back..
Interesting comment, I've got repro 4into4's fitted to my Z1b which I purchased from Zpower around 16 yrs ago.
They have stampings on with Z1/Z2 something or other and are painted over the weld where they join the silencers , are these more or less restrictive than the later ones and much different to the ones that came off.
Read loads about baffles etc and still not clear.
Regards.
Re: Z1a BHP
Just from memory....always thought the std bikes had somwhere id the 60-70 bhp.
back in the day, we didn't have access to dynos, so the manufacturers could get away with saying what they liked.
back in the day, we didn't have access to dynos, so the manufacturers could get away with saying what they liked.
Re: Z1a BHP
shep65 wrote:They have stampings on with Z1/Z2 something or other and are painted over the weld where they join the silencers , are these more or less restrictive than the later ones and much different to the ones that came off.
Read loads about baffles etc and still not clear.
Regards.
I have a set of Original Kawasaki exhausts bought from zpower 2008, still in boxes , stamped Kawasaki z1//z2 1976 etc with painted welds , these were some of the last pipes produced by Kawasski as they had been continuing production till then , when all the replicas started to appear
yes you can have too many bikes
Re: Z1a BHP
Cheers for reply.
Re: Z1a BHP
RAYZ1 wrote:I have a set of Original Kawasaki exhausts,still in boxes , stamped Kawasaki z1//z2 1976 etc
Me too, but mine have the crimps.
http://www.airevalleyclassics.co.uk
10% discount code Z1OCTEN
Keyster rebuild kits & carburettor spares - airscrews, jets, needles, starter plungers & gaskets.
Also petrol/ethanol proof float bowl gaskets. IMD pistons preferred seller.
10% discount code Z1OCTEN
Keyster rebuild kits & carburettor spares - airscrews, jets, needles, starter plungers & gaskets.
Also petrol/ethanol proof float bowl gaskets. IMD pistons preferred seller.
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