View Full Version : 1987 ATC250SX front wheel change
Helopilots
09-14-2016, 11:18 AM
234838
I went with a 10x8 front wheel (3+5 offset) fitted with a 22x7-10 tire. Am I missing something as to why it's not correct? Isn't the stock wheel 8 inches wide with a 3+5 offset as well?
Dirtcrasher
09-14-2016, 12:51 PM
Did you already throw away the other rim?
Seems like the wrong rim if there's no play from left to right or collars to swap from L to R.....
oldskool83
09-14-2016, 01:10 PM
Why not 200x front end?
UPNATM
09-14-2016, 04:28 PM
What exact wheel did you buy, and from where?
Also, if you can post up a side pic.
fabiodriven
09-14-2016, 08:46 PM
Let's get some more pics. First thing I'd do is lay both wheels on the flowah and break out the measuring tape.
Helopilots
09-15-2016, 09:55 AM
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I still have the original wheels. I've measured the offset in both the new and the old wheels. They're the same. The only difference with this new wheel is the diameter. Which would make zero difference in the fitment laterally.
TrickShot
09-15-2016, 10:28 AM
Seems to me new rim is narrower, which would change the offset needed to center it.
redsox
09-15-2016, 08:27 PM
Here you go amigo. http://www.3wheelerworld.com/showthread.php/158680-NEW-direct-bolt-on-tire-rim-for-the-250SX?highlight=250sx+front+rim+swap
Helopilots
09-16-2016, 10:21 AM
Here you go amigo. http://www.3wheelerworld.com/showthread.php/158680-NEW-direct-bolt-on-tire-rim-for-the-250SX?highlight=250sx+front+rim+swap
I want to keep a wider front wheel. But, this is really good info, though. Thanks for the link!
Helopilots
09-16-2016, 10:27 AM
Seems to me new rim is narrower, which would change the offset needed to center it.
The new rim is the same width as the stock rim. Both are 8 inches wide. The difference here is the tire width. The stock tire is 11 inches wide and the new tire is 7 inches wide.
Helopilots
09-16-2016, 10:31 AM
Why not 200x front end?
I looked for 200X and 350X front ends. I found a couple, but I wasn't interested in the condition/price. I'm OK with keeping the SX front end because it's nearly completely new, now.
Helopilots
09-16-2016, 10:34 AM
Let's get some more pics. First thing I'd do is lay both wheels on the flowah and break out the measuring tape.
I measured the new wheel carefully when I pulled it outta the box. It seemed to be an exact fit. But, I was boozin' about 10 mins before I measured it, too.
fabiodriven
09-16-2016, 11:55 AM
Any chance they sent your silly arse the wrong rim Ant Jemima?
TrickShot
09-16-2016, 12:34 PM
:beer "Thinks some boozing is still involved" :beer
Thorpe
09-17-2016, 09:46 AM
7 inch wide tire on a 8 inch wide rim...? You going for the euro look?
HairyJR
09-17-2016, 12:55 PM
The wheel width has no effect on tire center, the wheel center flange offset does. Offset wheels are usually assembled using different designed halves welded together and there made for easier tire mounting from one side. Could your offset be simple as where the valve stem is mounted has caused you to mount the wheel 180 degrees backward. May need to relocate valve stem and plug original stem hole. A picture of original wheel might help in solving your problem.
"HJ" 234965 :beer
Thorpe
09-17-2016, 10:02 PM
When I replaced all 3 wheels on my ES with ITP wheels, even though they were "labeled" as being the same offset, I required a .200" spacer to center the wheel between the forks...
redsox
09-17-2016, 10:09 PM
The wheel width has no effect on tire center, the wheel center flange offset does. Offset wheels are usually assembled using different designed halves welded together and there made for easier tire mounting from one side. Could your offset be simple as where the valve stem is mounted has caused you to mount the wheel 180 degrees backward. May need to relocate valve stem and plug original stem hole. A picture of original wheel might help in solving your problem.
"HJ" 234965 :beer
in my early attempts at improving the sx front, i messed up the offset 180 degrees. i solved the problem with a stubby valve stem on the brake drum side. it worked. it was a pain in the dick, but it worked. I've since come to the realization that honda had it pretty well worked out with the stock 22x11-8 and i rock oem now.
Helopilots
09-18-2016, 05:59 PM
7 inch wide tire on a 8 inch wide rim...? You going for the euro look?
Gotta admit if it were centered, it would look good AF.
I have no idea what I'm doin'. This is my first trike and I'm learning as I go. I'm not really building this with any influence or a certain look in mind. I have no clue if what I'm doing is popular or gonna result in me having a status as a squid. Either way, I'm good wit it!
Helopilots
09-18-2016, 06:02 PM
When I replaced all 3 wheels on my ES with ITP wheels, even though they were "labeled" as being the same offset, I required a .200" spacer to center the wheel between the forks...
This is good info.
DohcBikes
09-18-2016, 06:03 PM
I like the way it looks. If it handles well, jackpot.
Why not just make some spacers and use the wheel you have. Simple.
Helopilots
09-18-2016, 06:04 PM
The wheel width has no effect on tire center, the wheel center flange offset does. Offset wheels are usually assembled using different designed halves welded together and there made for easier tire mounting from one side. Could your offset be simple as where the valve stem is mounted has caused you to mount the wheel 180 degrees backward. May need to relocate valve stem and plug original stem hole. A picture of original wheel might help in solving your problem.
"HJ" 234965 :beer
Yeah, I thought I may have installed it backwards, but I took it off and flipped it and it was worse. No way it would even go together that way.
Helopilots
09-18-2016, 06:06 PM
I like the way it looks. If it handles well, jackpot.
Why not just make some spacers and use the wheel you have. Simple.
I'm with you on this. I have some spacers laying round and I'm gonna try to center it that way. If it works, rock on!
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