Author Topic: Slowly getting there part 6.  (Read 1836 times)

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Offline Packman

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Slowly getting there part 6.
« on: September 03, 2010, 07:50:19 AM »

Right the bottom end went together great , i had 3 old engines lying about so i picked at the good bits from the bunch.









All i need now is a water pump seal and a clutch arm seal.

The barrel is back from PJ Motor Engineers donning a new Nicasil coating not chepat ?146 but im not spending on new Prox piston in a slightly worn bore.

Ive used the sander on the side cover and then painted it black i think it goes ?





Now as you see ive posted eairler on asking wear the kipps valves sit when the rod is fully shut well ???




Both are in this positon is this correct ?

When this is right its ju matter of new head studs and blt te barrel on this will be prt 7  :-D

Offline jonny500

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Re: Slowly getting there part 6.
« Reply #1 on: September 03, 2010, 08:10:00 AM »
looking good giles. the power valves should be as follows: at slow engine speed (engine not running) the two auxilary exhaust ports should be closed to the cylinder and the center exhaust valve should be at its lowest. so it looks right from here. just note that one or both (cant remember) of the auxilary port valves when closed to the cylinder should connect the additional exhaust chamber in the barrel to the side of the exhaust port. hope that helps. i am sure that is how it should be but if any knows different please post. please keep us posted with the build.
all the best
john
« Last Edit: September 03, 2010, 08:12:57 AM by jonny500 »

Offline Caddy 16v

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Re: Slowly getting there part 6.
« Reply #2 on: September 15, 2010, 08:04:12 AM »
Nice work, I'm currently doing the same, getting ready to put the cylinder on. What kind of torque specs are you using on the cylinder and head nuts? Mine is a 91 but I don't have any reference data. Aren't 88 to 91 all the same except the head?
« Last Edit: September 15, 2010, 08:08:44 AM by Caddy 16v »
1991 KX250