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| techtalk:ih:engmech09j [2021/06/10 20:02] – hippysmack | techtalk:ih:engmech09j [2023/12/27 22:37] (current) – hippysmack | ||
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| ====== IH: Engine Mechanicals - Sub-09J ====== | ====== IH: Engine Mechanicals - Sub-09J ====== | ||
| - | ====== Lower Front Motor Mount Bolt Lengths from Parts Catalogs ====== | + | ====== Lower Front Motor Mount Bolt Sizes and Lengths from Parts Catalogs ====== |
| - | Use the spacers and single bolts of the correct length. \\ This keeps the frame tubes together around the sandwiched engine cases. Very important! ((piniongear of the XLFORUM | + | Use the spacers and single bolts of the correct length. \\ This keeps the frame tubes together around the sandwiched engine cases. Very important! ((piniongear of the XLFORUM |
| **Bolt lengths from parts catalogs** (all have 3/ | **Bolt lengths from parts catalogs** (all have 3/ | ||
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| As you can see below, the lengths are far from being standard length and those lengths changed depending on what parts catalog you reference. \\ | As you can see below, the lengths are far from being standard length and those lengths changed depending on what parts catalog you reference. \\ | ||
| These are general guidelines for bolt sizes: \\ | These are general guidelines for bolt sizes: \\ | ||
| - | The front motor mount uses 3 different size bolt (lengths) for the 4 holes. ((Scuba10jdl of the XLFORUM | + | The front motor mount uses 3 different size bolt (lengths) for the 4 holes. ((Scuba10jdl of the XLFORUM |
| The upper front and lower front holes (attaching to the frame) use the longest bolts. \\ | The upper front and lower front holes (attaching to the frame) use the longest bolts. \\ | ||
| The upper rear (through the case) uses the shortest. \\ | The upper rear (through the case) uses the shortest. \\ | ||
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| If you use any other length bolts (in the case of the bolt going into the threaded engine plate at the top rear) use the 5-3/ | If you use any other length bolts (in the case of the bolt going into the threaded engine plate at the top rear) use the 5-3/ | ||
| - | A longer bolt there will run into the generator mount and the lower one gets close to the oil pressure switch. ((ryder rick of the XLFORUM | + | A longer bolt there will run into the generator mount and the lower one gets close to the oil pressure switch. ((ryder rick of the XLFORUM |
| * **1957-1975**: | * **1957-1975**: | ||
