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Stock 850 bolt on upgrades?
https://www.ausmini.com/forums/viewtopic.php?f=5&t=102005
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Author:  scotta_74 [ Wed Sep 13, 2023 8:21 pm ]
Post subject:  Stock 850 bolt on upgrades?

I have a stock standard 850 and am looking towards changing out to a newer 998 or 1100. Is there any worthwhile mods that can be done without major engine work to gain some extra horses on a standard 850?

Author:  1310/71 [ Sun Nov 05, 2023 11:22 am ]
Post subject:  Re: Stock 850 bolt on upgrades?

Find a big hill and go down instead of up?

Author:  Steam [ Sun Nov 05, 2023 4:13 pm ]
Post subject:  Re: Stock 850 bolt on upgrades?

Most mods which are applicable to bigger engines will work on an 850 to some degree.
David Vizard's books have good ideas.

Author:  Mini Mad [ Tue Nov 07, 2023 9:25 am ]
Post subject:  Re: Stock 850 bolt on upgrades?

Maybe you can get the kids to push? :lol:

Author:  andrew9 [ Tue Nov 07, 2023 10:45 am ]
Post subject:  Re: Stock 850 bolt on upgrades?

I have an 850 with a 202 head, but never got to test it out much because the primary leaked oil into the clutch and killed it. I've since moved on to 1098s.

I wouldn't bother, make sure it is all perfectly tuned as stock and enjoy the period experience.

Author:  i got a mini [ Thu Dec 14, 2023 9:19 pm ]
Post subject:  Re: Stock 850 bolt on upgrades?

Fit a 998 cc crank

Author:  drmini in aust [ Sat Dec 16, 2023 8:28 am ]
Post subject:  Re: Stock 850 bolt on upgrades?

i got a mini wrote:
Fit a 998 cc crank

Won't fit without machining either the block, or the crank webs. Main bearings are wider on an 850.
Back in the 60s I fitted several 1098 cranks and pistons into 850 blocks. Slight mods to the conrods.

Put a 998 or 1098 motor (more torque) into it. :mrgreen:

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