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KR1SP Service Manual

Posted: Fri Oct 05, 2007 8:57 am
by geezagillard
Had this given to me by a mate and its fairly brief so am listing it here for anyone interested in the differences. Had a feeling the barrells were 'hand finished' in NZ and in those days we had some fast 'production' bikes racing in NZ


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Posted: Fri Oct 05, 2007 12:57 pm
by the-elf
Looks like a good post for the KR chive section :D

Posted: Fri Oct 05, 2007 1:39 pm
by alimorg
done!
Cheers
Al

KR-1 SP (KR-1SP C3A) - New Zealand's 'R' version

Posted: Fri Jul 24, 2009 2:46 am
by KR-1R
The mission was considered to be near-suicide.
Of the ten men sent, four returned.
Of those four, three wrote books about what happened.
Of those three, two were published.
And of those two, only one got a movie deal.
This is the story of the men who attempted to make that movie...


The KR-1SP legacy - Hall of Fame (first owners)

#6851 SP No.1 - Peter Mc... (Wellington 1991) 6+ owners
#68** SP No.2 - ?rider ...chassis yet to be confirmed
#68** SP No.3 - ?rider ...chassis yet to be confirmed
#68** SP No.4 - Stephen Ma... , (Omaha Sept 1991) 12+ owners
#68** SP No.5 - Neil Ne... , (Papakura July 1991) 11 owners
#68** SP No.6 - K-Force, (New Plymouth Dec 1991) ?rider 16+ owners
#73** SP No.7 - Robert Wy... (Auckland Nov 1992) 1 owner
#73** SP No.8 - Robert Ha... (Palmerston North Dec 1993) second owner? 6 owners
#73** SP No.9 - Darren Sm... (Te Kauwhata Aug 1991) 12 owners
#73** SP No.10 - ?rider (Panmure Feb 1991) 6 owners

10 bikes made for New Zealand 250cc Sports Production racing = KR-1S SP (Sport Production) ... the C3A variant of the KR-1S
and just like a bad war movie Kawasaki NZ (distributors) are disallowing any knowledge of the SP
(maybe it was just the guy I got on the phone... "there's no such thing as an SP.... an R model doesnt have a close ratio gearbox")...
the photocopies above (the parts fiches - I have copies) and the people that have owned them would argue otherwise... very disheartening

Piston and cylinder production stopped in 1992, D models the year earlier. RIP :cry:

the KR-1SP featured...
much larger 35mm Keihin PWK Carbs from the 'R' model (with fuel tap, throttle cable, intake rubbers)
Slightly higher compression ratio (skimmed head 8.0:1 CR)
Modified cylinder porting

only the Japanese 'R' model has the close ratio gearbox and as such has less standard top speed because of the lower gearing in 4th, 5th 6th (lowered by approx 20kph)

see pages 2, 24, 25, 33, 38, 40, 64, 68, 78 below
download the parts fiche for '90 KR250C2 and '91 KR250C3 including C3A Sports Production variant CLICK HERE
2,610kb TEXT SEARCHABLE! scanned parts fiche

Re: KR1SP Service Manual

Posted: Wed Aug 03, 2016 4:17 am
by Flatfish
Have recently got back on two wheels, while looking for some, came across this. I'm number 4 on the list.Although I'm not from Omaha, I'm from Wellington and knew Peter back in the day.Will post pics of my KR1SP if any one is interested. Cheers