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michigan_313 -> RE: f2 to f1 swing arm conversion (3/18/2008 7:52:07 PM)
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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.
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