http://xlboard.aimoo.comAimoo CityAimooen-USAimoo http://xlboard.aimoo.com/category/VMX-Magazine-Knobby-Shop-KSI-feature-1-1663547.html Swiss 2009-11-13 13:59:31.437 AHRMA Racing - Vintage Offroad & Roadrace VMX magazine has a feature article on the KSI bike in their latest issue.  You can purchase them through EBay or at the VMX website.  I have no connection to VMX, but their magazines are first class.http://www.vmxmag.com.au/Swiss http://xlboard.aimoo.com/category/XL350-flattrack-bikes-for-sale-1-1658996.html Swiss 2009-11-07 18:31:06.537 AHRMA Racing - Vintage Offroad & Roadrace Hey guys, I stumbled on this post for sale.http://www.flattrack.com/index.php?option=com_fireboard&Itemid=46&func=view&catid=11&id=69399Found some Pat Orman motored flattrack bikes for sale.  Rich Long is his name.  Sold his parts already, but has two racebikes ready to go. http://xlboard.aimoo.com/category/C-J-MX-Centerport-Frame-1-1653469.html Swiss 2009-11-01 07:31:05.777 AHRMA Racing - Vintage Offroad & Roadrace OK Guys, I am putting my C&J frame on EBay.  It is a Centerport MX model.  Needs some minor work which is all documented in the Ebay listing.  Would be an hour or two of work to fix it up and then a nice paint job.  Any questions, just ask.  No cracks or problems with th http://xlboard.aimoo.com/category/Mototek-CD350-CDI-1-1651708.html Swiss 2009-10-30 08:34:06.34 AHRMA Racing - Vintage Offroad & Roadrace I have a Mototek CD350 CDI that I am putting up on EBay, need some extra cash for bills! Swiss http://xlboard.aimoo.com/category/Would-you-use-xl250-or-xl350-1-1597720.html Kyle44x 2009-10-27 10:17:07.39 AHRMA Racing - Vintage Offroad & Roadrace This is for a winter project vintage 400cc(max) class flattracker that I'll race locally. Considering engine weight, which would you use?A - an xl250 motor bored and stroked to 347cc'sORB - an xl350 motor bored out to just under 400cc'sJust looking for thoughts before I start mod http://xlboard.aimoo.com/category/Hey-guys-check-this-out-1-1399574.html Motoracer838 2009-10-27 10:21:24.047 AHRMA Racing - Vintage Offroad & Roadrace Kermit is famous.http://dirtbike.off-road.com/dirtbike/Tech%3A+Vintage/They-Call-It-Kermit---The-Fastest-Frog-On-Two-Whee/ArticleThis artical was written the creator of Dirt Bike magazine.Joe http://xlboard.aimoo.com/category/Centerport-xl350-C-J-Frame-information-needed-1-1131413.html tr5mx 2008-11-24 05:16:46.187 AHRMA Racing - Vintage Offroad & Roadrace Wanted information please.I have obtained a mid 70's centre port c&j frame for an xl350.And I was wanting to know the length of shocks and forks that would compliment this frame.I was thinking of using marzocchi forks.But any suggestions would be greatly appreciated.Thanks for looking, John.     http://xlboard.aimoo.com/category/WTB-Parts-for-a-CB-SL-350-Roadracer-Project-1-1042169.html Flattracker23 2009-06-15 09:03:21.187 AHRMA Racing - Vintage Offroad & Roadrace I posted this in the For Sale / Wanted but nobody has looked at it so here is a link.http://xlboard.aimoo.com/For-Sale-Wanted-Not-on-eBay-On/WTB-Parts-For-A-CB-SL-350-Road-1-1041282.html http://xlboard.aimoo.com/category/Swiss-1-1041849.html Davy123 2008-09-16 00:16:18.513 AHRMA Racing - Vintage Offroad & Roadrace you have a pm http://xlboard.aimoo.com/category/Power-pipe-for-XL250-sideport-1-1041158.html XL_2Fidy 2008-09-11 17:59:59.543 AHRMA Racing - Vintage Offroad & Roadrace G'day guys,So what are people doing for a pipe on these beasts? Only off the shelf ones I've seen are the Hooker replica and the Bassani on XLint site. I guess they do the job but seem to look rather basic. Are there any others available? Over here in Oz I've just been priced $900 to jig up and make http://xlboard.aimoo.com/category/WTB-Aftermarket-Dirt-Track-Frame-1-1041011.html Flattracker23 2008-09-13 16:32:52.937 AHRMA Racing - Vintage Offroad & Roadrace I am looking for an aftermarket dirt track for for a XL motor. Champion, Redline, Trackmaster, etc. It can be for a center or side port motor. I have a C&J side port XL motorcross frame that I would trade. http://xlboard.aimoo.com/category/Wanted-C-J-frame-1-1040841.html Davy123 2008-09-22 22:30:41.577 AHRMA Racing - Vintage Offroad & Roadrace wanted C&J frame for motocross or something similiar.. cheers Dave http://xlboard.aimoo.com/category/its-been-a-while-1-1040625.html Davy123 2008-09-09 00:20:54.263 AHRMA Racing - Vintage Offroad & Roadrace Hello chaps... are we all well?  its been a while since i've raced a bike in anger...  ..i fancy building something again.. anyone got an old c & j frame they are selling ?? cheers Dave Wylie.. http://xlboard.aimoo.com/category/OH-not-another-postie-bike-on-the-salt-1-1025231.html generatorshovel 2008-06-10 21:52:22.67 AHRMA Racing - Vintage Offroad & Roadrace http://monamracing.blogspot.com/ http://xlboard.aimoo.com/category/My-race-results-1-1016849.html Motoracer838 2008-06-06 09:56:52.343 AHRMA Racing - Vintage Offroad & Roadrace I'm going to use this thread to post my race results during the vintage MX season. I'll start with the AVDRA race at Speedworld near Phoenix last weekend. Before I start, During the season I'll be racing in both AVDRA and AHRMA events, there are some differences in the classes, though minor,so I'll http://xlboard.aimoo.com/category/PROFORM-RACING-C-J-XL-350-BIG-BORE-MONSTER-1-1016631.html spurtec 2009-11-04 11:03:00.073 AHRMA Racing - Vintage Offroad & Roadrace http://xlboard.aimoo.com/category/what-are-the-rules-on-vintage-road-racing-1-1015408.html Guest 2008-09-10 22:13:33.873 AHRMA Racing - Vintage Offroad & Roadrace Could i race my 1974 cb125S  in a vintage road race. as a cafe bike. or a vintage road racer replica. http://xlboard.aimoo.com/category/C-J-frame-swing-arm-bushings-1-994184.html nh141 2006-09-16 03:50:06.0 AHRMA Racing - Vintage Offroad & Roadrace I was preparing my C&J frame XL Honda for an upcoming Post Vintage race this weekend and noticed the swing arm bushings are showing wear.Any body know where I can get the bushings? Are they common bushings a bearing shop would have?I noticed C&J frames are still in business but they moved to http://xlboard.aimoo.com/category/Post-vintage-MX-holeshot-1-957751.html nh141 2005-09-29 19:15:41.0 AHRMA Racing - Vintage Offroad & Roadrace Recently I had a chance to show some post vintage 2 strokes the magnificent power a XL Honda puts out.It was the start of a post vintage race where I was on my C&J framed XL250 (the engine is bored and stroked to 347 CC - Powroll total concept engine).I was third out of the gate and quickly over http://xlboard.aimoo.com/category/Hello-1-918847.html Dave Wylie 2005-06-03 05:10:09.0 AHRMA Racing - Vintage Offroad & Roadrace Hi guys http://xlboard.aimoo.com/category/DOHC-161cc-LSR-project-1-832909.html generatorshovel 2009-11-19 11:56:43.343 AHRMA Racing - Vintage Offroad & Roadrace Well, I've given up cigarettes to fund the salt habit, and things are moving along smoothly.The FZR head and barrell lost No4 cylinder,(Yamaha's loss, Honda's gain)the water galleries and oil returns have been plated, the crankcases are nearly finished their stay @ the welders shop and will be decke http://xlboard.aimoo.com/category/nitrous-ever-been-done-1-719259.html bob__ 2004-11-04 14:16:48.0 AHRMA Racing - Vintage Offroad & Roadrace took a ride last week with Geoff and his little (HAR!) brother--they rode the bigger XL's and I took the ultra wimpy little CL160--kept bogging down with every grade---got to wondering if anyone had ever used a small nitrous bottle on a small four stroke------- Rich Oliver used to win the Formula US http://xlboard.aimoo.com/category/What-changes-are-required-to-pass-tech-inspection-1-636745.html ricortes 2004-07-10 06:51:03.0 AHRMA Racing - Vintage Offroad & Roadrace Confirmed with my Son in Law Josh last night about the Hollister Hills race. Question for the experienced racers: Let's say you just got that barn bike freshened up so it'll run for a couple of hours. What has to be done to get it legal for an AHRMA race? About all I know is you have to remove th http://xlboard.aimoo.com/category/Frankenbike-1-606326.html elsinoresam 2005-01-12 11:33:46.0 AHRMA Racing - Vintage Offroad & Roadrace Hey Guys, Glad I found you! anyone here mounted an XL350 engine into a CR250 frame? http://xlboard.aimoo.com/category/Jim-Pomeroy-has-passed-away-1-558960.html StandMan 2006-08-07 19:55:55.0 AHRMA Racing - Vintage Offroad & Roadrace The motorcycling world today is mourning the death of a Yakima man who changed the face of U.S. motocross. Jim Pomeroy, known for being the first American to win a World Championship Motocross event, died Sunday morning while driving near Tampico. "When the book of motocross is written, Jim Pomeroy http://xlboard.aimoo.com/category/Top-end-power-help-1-453698.html generatorshovel 2005-11-26 14:20:52.0 AHRMA Racing - Vintage Offroad & Roadrace G'day ,Iv'e created a Honda missmatch using an XL125 top end,,56mm stroke bottom end, but i'm suffering power flatness @ 7,000 Rpm (high gears)My original camshaft was an Ivan Tighe (australian company) engineering roadrace grind , which should be capable of delivering the goodsIve gone back to the http://xlboard.aimoo.com/category/Valve-Destruct-Mode-1-446107.html Blameitonthebuns 2004-06-03 16:02:54.0 AHRMA Racing - Vintage Offroad & Roadrace Hi GuysManaged to change gear the wron way going 4th to 5th at Aintree and smack a valve head through the piston on no 1 bike. The bike I borrowed for Daytona was opposite shift pattern, and I had a bad case of brain fade. So Itook the second bike to Tye Croes, and sucked a stone in and bent an inle http://xlboard.aimoo.com/category/Exhaust-systems-hydro-formed-1-420878.html Swiss 2006-08-21 08:13:49.0 AHRMA Racing - Vintage Offroad & Roadrace Here is the hydroformed Husaberg systemSwiss http://xlboard.aimoo.com/category/Air-flow-question-1-404261.html bob__ 2005-05-31 06:00:16.0 AHRMA Racing - Vintage Offroad & Roadrace you guys that race might be able to help me with this---I have sold a little 350 cafe and it will be delivered in a week or two---trying to fine tune it I have been all over the map with limited success and I think I might be my own worst enemy----bike is stock, very light, 258 lbs., 35 tooth rear a http://xlboard.aimoo.com/category/C-J-swing-arm-1-399594.html Dave Wylie 2005-06-09 04:32:58.0 AHRMA Racing - Vintage Offroad & Roadrace Guys... I need a long travel C&J swing arm from the centre port frame , i have a side port nickel plated to exchange if this suits,or will purchace ,whatever suits.. http://xlboard.aimoo.com/category/First-Race-of-the-Season-1-278504.html Blameitonthebuns 2005-04-06 15:17:48.0 AHRMA Racing - Vintage Offroad & Roadrace SwissCame out of hibernation for the first roadrace of the season last weekend at Tye Croes on Anglesey here in N Wales. The fast engine leaked oil through the ignition seal, so I used the older bike, and got a trophy for second place single cylinder!Well PleasedRegardsDave Smith http://xlboard.aimoo.com/category/AHRMA-Bike-Pics-from-Phoenix-2007-1-265874.html Swiss 2008-01-07 02:36:28.4 AHRMA Racing - Vintage Offroad & Roadrace Hey Guys,I am sending Geoff some of the pics from the AHRMA races in Phoenix early in Feb. I will send him the XL350 pics first and then later the BSA and Yamaha pics etc... Didn't see a 250 there, but someone said that he thought there was one racing? Plenty of 350 bikes with lots of them in the Fl http://xlboard.aimoo.com/category/Honda-CT110-modified-sets-175cc-speed-record-1-128030.html generatorshovel 2006-03-11 20:16:46.0 AHRMA Racing - Vintage Offroad & Roadrace WoW ! it was worth the effort of building it , and waiting 12 months to try it,At Lake gairdner (Sth Australia) Tues. 7th march 2006, I set a land speed record for M/F 175 class 71.323 MPH, and to top ot off , I managed to go faster than a Honda Nova 125 ( different capacity class, but still felt go http://xlboard.aimoo.com/category/cam-grinds-1-93977.html overbore 2004-04-21 15:57:41.0 AHRMA Racing - Vintage Offroad & Roadrace Anyone here know off hand which cam grind on a megacycle cam is closest to the grind of the web 40ab cam?Wish I was a rich man, I would just order one of each and try em' all. http://xlboard.aimoo.com/category/ATK-gastank-for-my-XL486-1-86632.html Swiss 2004-07-09 17:16:29.0 AHRMA Racing - Vintage Offroad & Roadrace Hey Guys,I have been looking for a while now on Ebay and elsewhere for one of the old 4-stroke MX gas tanks from the early conversion ATK bikes. I am looking for one that was on a 90-91 ATK XR600 or XR350. You can see what it looks like on the American Dirt Bike website.http://www.americandirtbike.c http://xlboard.aimoo.com/category/T-Hawk-street-686cc-Thumper-1-22745.html Swiss 2006-10-12 17:00:54.0 AHRMA Racing - Vintage Offroad & Roadrace This is my current street toy. 686cc Yamaha TT600, Ported, cammed, dual 1 5/8" pipes w/megs under seat. Honda Hawk chassis, GS500 Suzuki front wheel/fender, EX500 Fairing, dual 37mm FCR carbs. This engine is identical to Mats old racebike except for slightly bigger carbs,Mats bikeran about 72hp on t