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Discussion Starter · #1 · (Edited)
so ive rebuilt my big bore engine with the 72. jet now,and started up first pull. now i have the airfilter hp and that works and all but i feel as though im bogging out alittle when i give it gas (runs a perfect tan color like that)but heres my question why when i take off the filter it runs better like i could give straight gas and 0 bogg occurs (but it runs lean )idk ive had this problem before so i figured bigger jet will solve it,it does in 1 way but creates a hole nother problem. rite now i have the stock carb on(and airfiler) wif dual filters but it still ant right i even tapered my neetle and the petcock mod.
 

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There M6 x 1.0 X how many mm long, you need atleast 80 to 90mm, get 8.8 grade 5 bolts, I like to see 3 or 4 threads out the bottom. I use SS flat and split lockwashers too.
 

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I take a tapemeasure, mearsure the area where the bolts go add an extra 1/4" for threads out the bottom. Take that length to the store and find a metric M6 that long.
 

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With 90mm long you will have room for washers if you want, my stock set are 80mm long. Might be hard to find at a hardware store. I sometimes have to go to a place that sells metal & bolts for something that long. Same w/ M5 bolts or 40mm long like for the stock Cag carb.
 
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