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August 9th, 2014, 06:18 PM
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#1 |
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ninjette.org member
Name: James
Location: urth
Join Date: Mar 2014 Motorcycle(s): 04 ninja 250, 2010 klx 250sf, 86 gsxr 750 Posts: 21
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How to identify cams?
Bought a set SUPPOSEDLY from an 86, but the seller wasn't all that sure, they also came with some tiny but feelable nicks on one of the lobes, anyways is there an easy way to determine exactly what group of years it came off of? (86/7 88-92 92+ right?) as best I could measure with a digital caliper the lobes go from about 26mm to 30.5, not knowing the rocker ratio I'm not sure how to tell the lift or anything really.
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August 17th, 2014, 01:26 PM
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#2 |
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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 Posts: Too much.
Blog Entries: 7
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Free bump.
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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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August 17th, 2014, 05:50 PM
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#3 |
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RIP Alex
Name: Cuong
Location: Houston, TX
Join Date: Apr 2011 Motorcycle(s): '10 250r, '09 265r Posts: A lot.
Blog Entries: 2
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Hard to say as I do not know much of the earlier years but you could always look on ebay at pictures of cams and compare the part number and build code on the cams.
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HalfFast Racing Team Serving Greater Houston Area Riders:WFO Riders MotoHouston HPC CMRA Ride Smart Fastline Lone Star Track Days |
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August 19th, 2014, 01:06 AM
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#4 |
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Phoenix Salvage
Name: Mac
Location: AR
Join Date: May 2014 Motorcycle(s): 2007 Ninja 250R Posts: 71
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Surprisingly little info on the subject, but I at least found something:
cam duration specs as per ninja250.org: 86-92: 280' duration 93+ 272' duration. If you can measure the duration, you may have a clue as to the year range. earlier cams supposedly have better top end, later cams better low-mid. Hopefully that helps a tiny bit?
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See my current inventory of used parts for sale here |
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