erskine Posted December 12, 2011 Report Share Posted December 12, 2011 Hi, newbie here ........ I've been building and evolving a Honda 125 for a year now, not for competition but for getting quietly and carefully around various farms and landscapes. As a solo it's more than proved itself, but a small chair came along and I'm here to look for advice. The bike is a CB125S frame with an XL fromt end, a CG motor and a SL tank. And quite a lot of fabrication. love the push rod powerplant which has oodles of torque and is very economical. I've been wanting to fit a chair for along time and I spotted one on evilbay which was scaled down, and I believe originally designed for a Cub or a Franny B. The mounting's need to be 'revisited' and I'm needing some extra info to progress. Could anyone advise me what kind of track measurement I should be aiming for with this small bike. I know on a full size bike the ACU regs say something like 850 - 1100 mm. Is there a formula? The wheel base is about 47". I shall be new to riding an outfit and am not a speed freak. I do have experience of riding agricultural quads in very challenging terrains but that's as near as it gets! The ruler in the first pic is a metre rule! Quote Link to comment Share on other sites More sharing options...
tlrmark Posted December 13, 2011 Report Share Posted December 13, 2011 As an owner and competitor of Honda 125 and 200 bikes for over 35 years I fear for the possible demise of your 8 horsepower engine. Will be too much weight for the little guy I think. Quote Link to comment Share on other sites More sharing options...
erskine Posted December 13, 2011 Author Report Share Posted December 13, 2011 As an owner and competitor of Honda 125 and 200 bikes for over 35 years I fear for the possible demise of your 8 horsepower engine. Will be too much weight for the little guy I think. Thanks for your thoughts Mark. I'm still going to give it a go though. I know that on the Indian sub-continent these pushrod engines transport whole families plus goods plus random livestock on a daily basis combined with running on fuel of the lowest possible grade. A 150cc conversion is an option I'm considering in the future and I do know of a homeless XL185 donk, but right now I'm hoping someone will help me out with the track. Quote Link to comment Share on other sites More sharing options...
erskine Posted December 14, 2011 Author Report Share Posted December 14, 2011 So in the absence of any advice I'm going for a metre / 39" Cheers. Quote Link to comment Share on other sites More sharing options...
lakelandramblers Posted December 15, 2011 Report Share Posted December 15, 2011 Have a look at http://www.actc.org.uk/how/Sidecars.pdf the ACTC regs are similar to ACU regs. The track width is 800mm to 1100mm. In practice I think the trials outfits are as narrow as the regs allow. Quote Link to comment Share on other sites More sharing options...
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