UK Karting - Notice Board (4-Stroke Karting) : Uprated UT1 Vs UT4 GX160

Notice Board (4-Stroke Karting)

Uprated UT1 Vs UT4 GX160
Posted by 'Iwan' on 17 Mar 2014 @ 14:15

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IwanJoined: October 2001
Total Posts: 5
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I have a UT1 GX160 that I recently rebuilt. I fitted new piston rings, removed all the govenor gearing and mechanism inside the block, fitted a 0065" shimmed cylinder head that I cleaned the ports up on too, with a GX200 gasket and uprated valve springs. I;m running a standard exhaust.

I've run it for about 40 mins and was a little disappointed that especially low down grunt it seems slower than my brothers new but completely stock UT4 motor. Will it get faster as its run in, or are the UT4's always going to be much quicker?

Message Thread:

Uprated UT1 Vs UT4 GX160 by 'Iwan' << You are here!

Re: Uprated UT1 Vs UT4 GX160 by 'Mark 71' (17 Mar 2014 @ 16:58)

Re: Uprated UT1 Vs UT4 GX160 by 'Iwan' (18 Mar 2014 @ 9:12)

Re: Uprated UT1 Vs UT4 GX160 by 'Mark 71' (19 Mar 2014 @ 18:19)

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