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View Full Version : 350X with 2006 reverse/400ex motor


Top notch 350x
10-28-2012, 07:51 AM
For everyone who is wondering if it can be done yes it can! Not to hard it was easier than what i thought. Check out my album that one was my 2nd one i had built. My first one had no reverse and i sold it.. Biggest mistake everrr!!! Last i heard someone in Florida Redlands by florida city had it and telling everyone he had built it! If you guys have any questions just ask..
dustrunner
10-28-2012, 02:57 PM
kool, u got any pics ??
ATCeeya
10-28-2012, 03:18 PM
http://www.3wheelerworld.com/album.php?albumid=1189
sp8twn
10-28-2012, 04:06 PM
Nice!! great job!
nstyle73
10-28-2012, 06:37 PM
Nice work, I had thought about going down this road once, but had read that it couldn't be done very easily because of sprocket alignment. So did you plumb the oil system up through the stock coolers? 350X exhaust? Frame mods? I was impressed to see the stock airbox and snorkel in place. Looks like a clean job.
jon jon
10-28-2012, 07:26 PM
well if a 400ex motor will fit in a 350x frame, does that mean a 400ex motor will fit in a 300ex frame? use to have a 350x motor in my 300ex frame.
jays375
10-28-2012, 07:54 PM
Looks good!More details what all was involved with doing this engine swap.
Top notch 350x
10-29-2012, 06:53 AM
The only frame mod i had to do was remove the bracket that bolts up stock header to the frame. I made an oil tank from an a/c drier had to gut it out and reweld together and add the valve cover breather fitting, return, inline. I used the port where the low side port for the oil filler just had to make an oil cap for it. Also used the stock oil cooler.. That oil tank probably holds 4ounces less oil than 400 stock set up. Never had an overheating issue probably because bike is lighter and more aerodynamic. There is a bottom engine mount that bolts right up to the 350 frame! The second you put motor on the frame you can slide in your first bolt!!! Its all down hill from there.. I used the 400ex dg dg oval exhaust. Just had to cut 1/4" end of header and light do some hand bending and it all bolts right up! All i have on mybile is exhaust , jets, cdi, 1 up in front and 1down rear from the 2006 sprocket and hit 80.1 on my best run... Avg is 78.8mph... Didnt loose take off with gearing because bike is lighter than a 400... I really doubt you can put this motor in any other trike you only have prob 3/4 of an inch of clearance on height with this frame prob even less!! Well if you guys need anything else just ask!
atc300r
10-29-2012, 07:18 AM
Looks very nice.Gives the 350x guys more options.E-start and reverse could come in handy.Did you beef up the frame .
Top notch 350x
10-29-2012, 07:29 AM
My frame was intact... And believe it or not but the 400 motor is lighter and smaller than 350... The 350 you have a hard time in removing and replacing and 400 is sooo much easier.... Also used the stock emergency brake perch lever to be my reverse cable assembly and used the big red reverse cable and eorks perfect with the stock look!
MOTOMAX27
11-14-2012, 11:06 PM
All i can say guys. This trike rides hard and it is a clean build. WE NEED TO RIDE!!!!
250Eddie
11-15-2012, 03:19 AM
someone put a post a few days ago about this same swap and i posted about a guy down here that did the swap, Turns out top notch was that guy that i spoke to before and after he did the swap lol, we riddin before and his bike is a beast.
250Eddie
11-15-2012, 03:28 AM
top notch i just saw your message, weve been riding 137th alot, JC is almost always out there with all the big trucks, Im not able to ride for a few months due to an accident i had where i broke my arm and needed 7 hours of surgery to repair my arm, but thats where we all ride at now.
midsouthtrikes
11-17-2012, 01:45 AM
Very nice trike!
Dirtcrasher
11-17-2012, 05:37 PM
Great work bud !!
Top notch 350x
11-22-2012, 08:55 AM
Dam 250eddie that sucks! Well im waiting for all that water to subside... And yea i bet jc is always out there lol.... Well hope you get a speedy recovery!
200x Basket
11-22-2012, 01:02 PM
Nice conversion
250Eddie
11-23-2012, 02:14 AM
Dam 250eddie that sucks! Well im waiting for all that water to subside... And yea i bet jc is always out there lol.... Well hope you get a speedy recovery!

actually your able to start riding 137th now the water is almost gone in about 75% of the place and my dad has been telling me how good its getting which pisses me off becuz i cant ride LOL