January 1st, 2022, 09:50 PM | #1 |
ninjette.org newbie
Name: Sum
Location: Vancouver, BC
Join Date: Sep 2017 Motorcycle(s): Ninja 250 Track Bike Posts: 5
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Which Ninja 250R Racing Cam Shaft?
Hi,
I am looking for some thoughts from people who have direct experience and/or can share someone else's experience with a Ninja 250r Racing Cam Shafts. I have been searching high and low for reviews on the three different racing cam shafts for a 2008+ Ninja 250R, but I can't find anything helpful for deciding which one to buy. I tried Hot Cams Stage 1, but I am not happy with the results. Well, I liked the smoother throttle response throughout the rev curve/band, but I feel I lost too much top end. Actually, I was going to buy the Hot Cams stage 2 intake but they stopped selling them in North America, so I was stuck with the stage 1 setup. Anyway, I have been considering the 250R Camshaft sets from Spears Racing, Web Camshafts, and Daniel Crower Racing. https://www.spearsenterprises.com/pr...fts-2008-2012/ http://www.webcamshafts.com/pages_ve...saki/2395.html https://danielcrowerracing.com/i-593...t-2008-20.html Web and Crower advertise similar specs. I asked Spears, but they will not tell me the specs of their cam shaft set. My guess it is secret to people like me, not in the know, but for other people with a lot of connections in the racing realm, I suspect people know if Spears is worth $200+ Anyway, I would really appreciate experiences from people utilizing them in their bikes, especially for racing bikes that typically have a lot of applicable mods. Cheers, |
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January 2nd, 2022, 12:03 AM | #2 |
ninjette.org newbie
Name: Sum
Location: Vancouver, BC
Join Date: Sep 2017 Motorcycle(s): Ninja 250 Track Bike Posts: 5
|
Thoughts and experiences on racing cams appreciated.
I am looking for some thoughts from people who have direct experience and/or can share someone else's experience with a Ninja 250r Racing Cam Shafts.
I have been searching high and low for reviews on the three different racing cam shafts for a 2008+ Ninja 250R, but I can't find anything helpful for deciding which one to buy. I tried Hot Cams Stage 1, but I am not happy with the results. Well, I liked the smoother throttle response throughout the rev curve/band, but I feel I lost too much top end. Actually, I was going to buy the Hot Cams stage 2 intake but they stopped selling them in North America, so I was stuck with the stage 1 setup. Anyway, I have been considering the 250R Camshaft sets from Spears Racing, Web Camshafts, and Daniel Crower Racing. https://www.spearsenterprises.com/pr...fts-2008-2012/ http://www.webcamshafts.com/pages_ve...saki/2395.html https://danielcrowerracing.com/i-593...t-2008-20.html Web and Crower advertise similar specs. I asked Spears, but they will not tell me the specs of their cam shaft set. My guess it is secret to people like me, not in the know, but for other people with a lot of connections in the racing realm, I suspect people know if Spears is worth $200+ Anyway, I would really appreciate experiences from people utilizing them in their bikes, especially for racing bikes that typically have a lot of applicable mods. Cheers, |
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January 2nd, 2022, 05:44 PM | #3 |
ninjette.org newbie
Name: Sum
Location: Vancouver, BC
Join Date: Sep 2017 Motorcycle(s): Ninja 250 Track Bike Posts: 5
|
Aftermarket CamShaft Questions
Hi,
I am looking for some thoughts from people who have direct experience and/or can share someone else's experience with a Ninja 250r Racing Cam Shafts. I have been searching high and low for reviews on the three different racing cam shafts for a 2008+ Ninja 250R, but I can't find anything helpful for deciding which one to buy. I tried Hot Cams Stage 1, but I am not happy with the results. Well, I liked the smoother throttle response throughout the rev curve/band, but I feel I lost too much top end. Actually, I was going to buy the Hot Cams stage 2 intake but they stopped selling them in North America, so I was stuck with the stage 1 setup. Anyway, I have been considering the 250R Camshaft sets from Spears Racing, Web Camshafts, and Daniel Crower Racing. Web and Crower advertise similar specs. I asked Spears, but they will not tell me the specs of their cam shaft set. My guess it is secret to people like me, not in the know, but for other people with a lot of connections in the racing realm, I suspect people know if Spears is worth $200+ Anyway, I would really appreciate experiences from people utilizing them in their bikes, especially for racing bikes that typically have a lot of applicable mods. Cheers, |
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January 3rd, 2022, 01:50 AM | #4 |
ninjette.org dude
Name: 1 guess :-)
Location: SF Bay Area
Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE, '15 CRF110F, '13 TT-R50E Posts: Too much.
Blog Entries: 7
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/merged
__________________________________________________
Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org ninjette.org Terms of Service Shopping for motorcycle parts or equipment? Come here first. The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered) |
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January 3rd, 2022, 05:50 AM | #5 |
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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January 3rd, 2022, 08:44 AM | #6 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Cams are NOT drop-in plug-n-play upgrade. Avoid Web Cams, I have yet to receive a cam from them in past 30-yrs where any 2 lobes actually had same profile or timing. Best bet is custom cam from Dima Elgin (not other copycat Elgin Ind).
You need adjustable cam-gears and degree-wheel to determine lobe-profiles and actual lobe-centre timing Finally need lots of dyno-tuning to make any of those cams work. Only for race-bikes as hotter cams will only provide HP gains in narrow 10-13K rpm range with loss of TQ everywhere else. And that's only after you've dialed them in on dyno. Otherwise, you'll have losses everywhere |
1 out of 1 members found this post helpful. |
January 3rd, 2022, 01:49 PM | #7 | |
ninjette.org guru
Name: Anthony
Location: Vinita, Ok
Join Date: Sep 2021 Motorcycle(s): 07 Kawasaki Ninja 250 Posts: 343
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Quote:
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1 out of 1 members found this post helpful. |
January 3rd, 2022, 02:18 PM | #8 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Alternative is to compare specs between new-gen '88-93 vs. pre-gen cams. Earlier bikes definitely had 2T-like upper-end hit with lazy bottom end.
Has anyone ever retrofitted pre-gen heads on new-gen engine to get higher-compression along with hotter cams?? Last futzed with by DannoXYZ; January 3rd, 2022 at 04:25 PM. |
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January 3rd, 2022, 02:19 PM | #9 |
Rev Limiter
Name: Jay
Location: WI
Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot.
MOTM - Jun '18, Oct '16
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If I was going with a race cam, it would be from Spears.
They have a proven track record and know the Ninja best. |
1 out of 1 members found this post helpful. |
January 3rd, 2022, 04:24 PM | #10 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Yup, they've got tonnes of experience on 250s from decades of testing, trial & error. Best deal in off-the-shelf upgrade parts. Not to mention they're one of my sponsors and every part and service I've gotten from them is top-notch!
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January 4th, 2022, 07:36 AM | #11 | |
Rev Limiter
Name: Jay
Location: WI
Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot.
MOTM - Jun '18, Oct '16
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Quote:
I'd definitely go with them for any R3 or Ninja race parts. |
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