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Old 01-09-2011, 11:04 AM   #1 (permalink)
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What engines will fit in my 98 forumla III 700 triple?

i have a 98 triple that when i went to replace the base gasket, i had a mechanic look at it and the main bearing in the crank is bad. He had another 700 triple engine but it also had the same problem. Are there any smaller engines that will fit in here? i do no care about power just if it will run and be able to ride the trails.
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Old 01-10-2011, 06:32 AM   #2 (permalink)
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A twin will fit if you get the mounting base with it.
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Old 01-10-2011, 12:05 PM   #3 (permalink)
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put a 600 triple in it.. you can find thos pretty cheap.
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Old 01-10-2011, 09:55 PM   #4 (permalink)
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I vote for a 800 trippple....More power.LOL J and J machinery are rebuilding the cranks for 375.00 I think. A 600 crank is the same. The 98's and earlier had oiling problems on the PTO side of crank.
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Old 01-10-2011, 09:56 PM   #5 (permalink)
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he dosnt care about power.. im sure he could find a low milage 600 for cheap drop in and go.
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Old 01-10-2011, 10:51 PM   #6 (permalink)
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It was supposed to be humorous that's what the LOL stands for. I picked up my 97 800 tripple last year for 225.00. Complete motor less carbs. It just depends where you look and how lucky you are. With a used triple depending on the year and how it was maintained the crank is always crap shoot anyway. For me getting the crank rebuilt, having the PTO oil hole drilled and a gasket set would be cheaper than a used motor as long as top end is OK, but I do my own wrenchin'. That way I would know what I have as dependability is my main concern, because breaking down 50 miles from nowhere sucks. This days off it is pull my 98 Mach 1 motor and check crank oiling hole and crank. I have a new Ski Doo 600 crank I got off e-bay for 200.00 this summer waiting if needed. It is all about your options and exploring all of them to get your desired results. Besides you have to factor in air box, cdi, stator, dess, exhaust, cooling system hoses, clutch changes depending on the year and motor type you swap in where a rebuild is plug and play.
Just my thoughts Mike
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