f2 to f1 swing arm conversion

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f2 to f1 swing arm conversion

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f2 to f1 swing arm conversion - 3/18/2008 4:20:43 PM

borges99

Posts: 5
Joined: 3/12/2008
Status: offline

has any one tried or been successfull at put an f2 swing arm on an f1 i have it apart right now the f2 is about a half inch wider then the f1 looking for some tips was thinking about grinding the frame but there are bushings and i dont think doin it by hand would be accurate enough and probaly not safe any help would be appreaciated also looking for a good sprocket upgrade thanks

Post #: 1

RE: f2 to f1 swing arm conversion - 3/18/2008 7:52:07 PM

michigan_313

Posts: 668
Joined: 2/24/2006
Status: offline

it can be done but you have to think about some other points:

1. swingarm pivot bolt dia for f2 is larger than frame bosses on f1.

2. swingarm bearings are larger on f2 than f1.

3. rear wheel axle bolt dia is larger on f2 than f1. so can't use f1 rim. also is true for wheel bearings.

4. a. you could bore out the bolt bosses on the frame to allow the bolt to pass through but you also need to add somemore weld to add some strength back. cut down the spacers and shave down the outside edge on each side of the pivot tube till it fits between the frame rails. if you do this, you will not have dust seals to protect the bearings.

or b. cut the pivot tube from f1 swingarm and cut the pivot tube off the f2 swingarm and then weld the f1 tube to f2 swingarm. that will allow it to fit between the frame rails as stock. then all you would have to do is get a f2 rim.

5. this is critical: suspension is a problem as f2 shock is shorter than f1 because of different mounting points on f2 frame. cut off shock mount on f2 swingarm and weld taller mounting tabs back on. if you don't get suspension height back in the same place, handling will suffer.

6. if you are doing this to get a wider rear tire in, be aware that you could go up to 150 on the stock rim.

as for sprockets, i am using a afam kit. stock tooth count. i'm sure others can answer this question better if you are looking for kits not using stock tooth count.

< Message edited by michigan_313 -- 3/18/2008 8:00:53 PM >

(in reply to borges99)

Post #: 2

RE: f2 to f1 swing arm conversion - 3/19/2008 3:20:44 PM

borges99

Posts: 5
Joined: 3/12/2008
Status: offline

thank you for the advice it was a thought but i think i will stick with what i have

(in reply to michigan_313)

Post #: 3