hi all...im new to the 3 wheeler world...i just bought an older honda big red...and i need your help and advice on a few things....i was told it was the 250 cc size but with no stickers left on the machine i need to be sure....it needs the drive sprocket changed as the teeth are badly wore and letting the chain skip......heres where you all can help........how do i tell what size it is???there are no stickers left on the machine itself....does the engine have the size stamped on it?? and at what location??? and without a repair manual yet i need to know the easiest way to remove the front drive sprocket.....i have removed the high/low range gear box,,,,and it appears the case needs to be removed for the sprocket assembly to be removed......i have seen a pic of the shaft i need replaced but it was for a 200.......will it interchange if this is indeed a 250 cc motor???? if any of you have access to a repair manual and could email me detailed info on removal procedure ide be most greatfull.............im hoping to be riding soon as this will be my first 3 wheeler........had 250 cr dirt bikes so this will be a nice change of pace........thnks all.....Bill ps if you need my email addy just ask.......thnx again

 

The engine size is cast into the Jug near the bottom edge. Find the vin on the neck and post the 10th diget that way I can tell you what year it is.

 

if i read all the numbers from the frame correctly its a 17 digit number with the 10th number being a (D) hopefully ill know the year for sure this way and be able to order parts easier....thnx for the help....bill

 

"D" is a 1983. And in 1983 the only Big Red was a 200cc........A 1983 ATC 200E