Trials Bike in Customizing Your CT Forum

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Trials Bike

Author	Comment
tunnelratt56	Trials Bike	Lead	[-]
Posts: 233 Mar 13 11 2:32 PM Reply Quote More My Recent Posts	There is a picture floating around of a CT that was converted into a trials bike, it appears to have been in the Sept / Oct 2010 Calendar, does anybody have a copy that could be posted up? the pic is really small. I have 2 KO's that I am going to sacrifice and do some customizing on and am trying to decide a direction, right now its either a street pounder like the Post Modern Style or a Trials Bike, I dont really want to go the Dakar look as I dont want to add a tank. Any help on the Trials Bike pic would be great. Steve
Cory		#1	[-]
Posts: 105 Mar 14 11 6:41 AM Reply Quote More My Recent Posts	Hey Steve, I believe the bike your talking about is Scott Kirn's CT90-based trials bike that he rides competitively and has won many vintage/classic trials events with... Lots and lots of modifications have been done by Scott on this bike, too many to list, but the basics are: - 21" front and 18" rear wheels - Honda SL125 front forks and triple-tree - 125cc bored and stroked Honda S90 engine (manual clutch) modified with CT90 dual-range - Modified S90 swing-arm and rear suspension - Cory
allen pierce		#2	[-]
Posts: 3773 Mar 14 11 7:57 AM Reply Quote More My Recent Posts	Cory is correct on the owner and the details. I've been trying to get Scott to do a write up on his bike for about 3 years now, so far nothing. Here are the calendar photos. Paved roads, just more needless government spending... I pick up my mail in Santa Barbara, California, USA.
tunnelratt56		#3	[-]
Posts: 233 Mar 14 11 6:30 PM Reply Quote More My Recent Posts	WOW ! Yes, that is the one I was thinking about, That is an Amazing Machine, very well thought out.....Decisions Decisions! Thanks for the pictures, I just took the 2 KO's from the side of the property by the shed and moved them to the highly coveted spot next to the door to my shop, cleared a spot on the inside in preparation...both of these KO's are in pretty good shape save for the engines, one is in a box the other is seized, but frames, running gear, wheels bars everthing else is real nice, chrome is great, I will end up with a bunch of spares so will keep you all posted. Steve
Will S		#4	[-]
Posts: 282 Mar 14 11 11:10 PM Reply Quote More My Recent Posts	Would love to know what the swingarms off .Would certainly strengthen the achille's.
tunnelratt56		#5	[-]
Posts: 233 Mar 27 11 7:07 AM Reply Quote More My Recent Posts	Been doing a bit of research on this bike, 21" Front and 18" Rear wheels, both are custom units, CT 90 hubs drilled to accept larger spokes and laced to alloy rims SL 125 forks, purely from competition spec standpoint, anything else is too new for the rules S90 swing arm and pivot, lengthened, shock mounts raised and pivot point lowered in the frame upper shock mounts moved forward 3" Heavily modified S90 engine Footpegs mounted to frame at approx swing arm pivot location Rewound Armature to work with CDI eliminating battery. This bike is #2 in the evolution, #1 was a pretty basic modification of a KO, so it can be done on a budget I am going to go for it, the SL and S-90, CT 125 stuff is pretty tough to find so I think I am going to head to the XL/XR family, see if I can find some petite forks and wheels, and swing arm, already scored an aluminum fender, wont mod the engine, just want a good runner. This wont be a comp bike, just something cool to terrorize the neighboorhood on. Steve

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