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techtalk:ref:transfinal01a [2023/01/25 06:41] ixl2relax |
techtalk:ref:transfinal01a [2023/01/25 07:33] (current) ixl2relax [Parts] |
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| [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
| - | ====== REF: Gears, Sprockets, Belts - 01A ====== | + | ====== REF: Gears, Sprockets, Belts - Sub-01A ====== |
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| ====== Installing Chain-to-Belt Conversion ====== | ====== Installing Chain-to-Belt Conversion ====== | ||
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| + | This conversion information provided by 'dave76' of the XLForum - http://xlforum.net/forums/showthread.php?t=2082025 | ||
| + | I finally found time to finish this project on my 1990 1200 XLH Sportster. I took it for a ride afterwards (it was freezing weather - but I enjoyed it). The belt is definitely quieter and smoother than the chain configuration. | ||
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| + | {{:techtalk:ref:transfinal:dave76-cn-blt-02.jpg?600|image1}} | ||
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| + | ===== Parts ===== | ||
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| + | I found multiple used rear pulleys on eBay under $50. I got a used but perfect 128 tooth belt for $65.\\ | ||
| + | I got the belt guard for $35. Only bought a new VTwin front pulley for $85.\\ | ||
| + | {{:techtalk:ref:transfinal:dave76-cn-blt-03.jpg?400|image1}} | ||
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| + | Top: Belt guard ---------- Bottom: 4 speed chain guard\\ | ||
| + | {{:techtalk:ref:transfinal:dave76-cn-blt-04.jpg?400|image1}} | ||
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| + | A standard 1991 Belt Drive Sprocket Cover will be needed. The left middle bolt will not be used so I just placed a short faux bolt and nut there. | ||
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| + | The Belt I used was 1-1/8" wide with 128 teeth. This puts the axle adjuster in the middle of the range. | ||
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| + | **The main part numbers that I was able to find were:** | ||
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| + | 40271-89 -- Front drive pulley 27 tooth | ||
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| + | 40258-89 -- Rear driven pulley (pulley only not the chrome guide cover). | ||
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| + | 40273-89 -- Rear pulley chrome guide cover. | ||
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| + | I cannot find the number for the top or bottom belt guards. | ||
| + | I sourced my rear pulley off eBay, the front came from V-Twin (Taiwan teddy). | ||
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| + | 40022-91 -- Drive Belt (Standard Harley 1-1/8 x 128 teeth). | ||
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| + | ===== Details ===== | ||
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| + | {{:techtalk:ref:transfinal:dave76-cn-blt-01.jpg?400|image1}} | ||
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| + | I bought the counterbore from eBay. This is needed to sink one of the case bolts about 3/16 of an inch to provide better belt clearance.\\ | ||
| + | {{:techtalk:ref:transfinal:dave76-cn-blt-05.jpg?600|image1}}\\ | ||
| + | \\ | ||
| + | {{:techtalk:ref:transfinal:dave76-cn-blt-06.jpg?400|image1}} | ||
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| + | To clear the new belt drive sprocket, I used a 1991-up Drive Sprocket Cover. On the engine, the top rear stand-off stud (near the motor mount) needs to removed. It is replaced with a 7/16-14 x 2” bolt. The unused (open) hole in the sprocket cover just gets a faux bolt and nut.\\ | ||
| + | {{:techtalk:ref:transfinal:dave76-cn-blt-07.jpg?400|image1}} | ||
