suggestions on jetting for 21oko on a 44bbk spree

Does your Spree/Elite already run great, and you're trying to make it quicker/faster? Need a monster motor swap? Discuss your ideas here.

Moderator: Moderator

Post Reply
User avatar
paulpauly7
CB900F
CB900F
Posts: 1945
Joined: Tue Feb 21, 2012 6:57 pm
Location: nz

suggestions on jetting for 21oko on a 44bbk spree

Post by paulpauly7 »

as the title says a good pilot and main jet start point on a 21mm oko on a spree with a taz 44mm bbk
86 Nifty Fifty (spree)
ZX disk brake
Kitico 120kmh speedo
AF18 ZX ported
Polini corsa
Malossi crank
CTmani
24mmOKO
40pilot118main
Scorpion pipe
8.44 to 1
Michelin s1
71.3mph
92 yz125, 94 crm250
User avatar
paulpauly7
CB900F
CB900F
Posts: 1945
Joined: Tue Feb 21, 2012 6:57 pm
Location: nz

Re: suggestions on jetting for 21oko on a 44bbk spree

Post by paulpauly7 »

im thinking a 42 and a 110 that would start it rich wouldnt it?
86 Nifty Fifty (spree)
ZX disk brake
Kitico 120kmh speedo
AF18 ZX ported
Polini corsa
Malossi crank
CTmani
24mmOKO
40pilot118main
Scorpion pipe
8.44 to 1
Michelin s1
71.3mph
92 yz125, 94 crm250
User avatar
paulpauly7
CB900F
CB900F
Posts: 1945
Joined: Tue Feb 21, 2012 6:57 pm
Location: nz

Re: suggestions on jetting for 21oko on a 44bbk spree

Post by paulpauly7 »

baka , bear , tjams im looking at you three

any suggestions
86 Nifty Fifty (spree)
ZX disk brake
Kitico 120kmh speedo
AF18 ZX ported
Polini corsa
Malossi crank
CTmani
24mmOKO
40pilot118main
Scorpion pipe
8.44 to 1
Michelin s1
71.3mph
92 yz125, 94 crm250
User avatar
Trafficjamz
CBR1000RR
CBR1000RR
Posts: 5353
Joined: Tue Jul 14, 2009 7:53 pm
Location: Eastlake, MI
Contact:

Re: suggestions on jetting for 21oko on a 44bbk spree

Post by Trafficjamz »

When I built a 44mm big bore, I had the stock carb. I had a 85 or 90 jet IIRC.
new best 1/8th mile time 9.647 seconds @67.155 mph 310lbs total weight
User avatar
Trafficjamz
CBR1000RR
CBR1000RR
Posts: 5353
Joined: Tue Jul 14, 2009 7:53 pm
Location: Eastlake, MI
Contact:

Re: suggestions on jetting for 21oko on a 44bbk spree

Post by Trafficjamz »

paulpauly7 wrote:im thinking a 42 and a 110 that would start it rich wouldnt it?
sounds very rich is this the stock pipe?
new best 1/8th mile time 9.647 seconds @67.155 mph 310lbs total weight
User avatar
paulpauly7
CB900F
CB900F
Posts: 1945
Joined: Tue Feb 21, 2012 6:57 pm
Location: nz

Re: suggestions on jetting for 21oko on a 44bbk spree

Post by paulpauly7 »

yes stock pipe just to get it running.Once running we hav lots of old exspantion chamber pipes to mod and fit oh and this is on a nz honda pal with the variated 2 bolt manifold spree motor if that makes sence . Its a taz 44 bbk with his carb kit
86 Nifty Fifty (spree)
ZX disk brake
Kitico 120kmh speedo
AF18 ZX ported
Polini corsa
Malossi crank
CTmani
24mmOKO
40pilot118main
Scorpion pipe
8.44 to 1
Michelin s1
71.3mph
92 yz125, 94 crm250
User avatar
paulpauly7
CB900F
CB900F
Posts: 1945
Joined: Tue Feb 21, 2012 6:57 pm
Location: nz

Re: suggestions on jetting for 21oko on a 44bbk spree

Post by paulpauly7 »

anyone?
86 Nifty Fifty (spree)
ZX disk brake
Kitico 120kmh speedo
AF18 ZX ported
Polini corsa
Malossi crank
CTmani
24mmOKO
40pilot118main
Scorpion pipe
8.44 to 1
Michelin s1
71.3mph
92 yz125, 94 crm250
User avatar
Bear45-70
CBR1000RR
CBR1000RR
Posts: 9683
Joined: Mon Jul 23, 1973 10:24 am
Location: Union, WA.

Re: suggestions on jetting for 21oko on a 44bbk spree

Post by Bear45-70 »

Taz would be the one to ask.
Bear 45/70
Image

'83 Aero 80 X 3
'84 Aero 80 X 3

'85 Aero 80
'84 Aero 125 X 2
'84 Aero 125
'84 Aero 125 X 2
'85 Aero 50
'85 Spree
Post Reply