Topica Loopframe_Guzzi Archive
 

Subject: RE: Idle Speed, now valve spacing

Author: Robert Hawkes

Date: Jun 4, 2005, 7:14 AM

Post ID: 1718972635


AJ, I don't really know what you mean by 'two under the rockers, two below
the rockers". There should be 6 bolts which tighten 6 cylinder studs. Four
of the studs are long and two are short, per the pictures I am looking at in
the Premier manual, and that is what I remember from adjusting my own
valves. Also, torque your head bolts in the traditional STAR pattern, first
one, then tighten the opposite nut, then angle over to the next one, as if
you are drawing a 6 point star, sort of. There should be a stud at 12:00.
Bob

-----Original Message-----
From: AJ Huff [mailto:ajh-@earthlink.net]
Sent: Saturday, June 04, 2005 7:00 AM
To: Loopfram-@topica.com
Subject: RE: Idle Speed, now valve spacing

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Got it.

Left side is finished. Wife wants breakfast, so moment of truth in about
an hour and a half.

The manual says 6 head bolts, but I only find 5. 2 under the rockers, 2
below the rockers, 1 under the spark plug. I checked under that aluminum
cap at 12 o'clock, but there is no bolt under there. Should there be?

Thanks,

-AJ


Robert Hawkes wrote:
 
AJ, no need to torque the valve adjuster nut. Just hold the tappet
screw
with a needle nose plier and tighten the valve adjuster nut with an open
end
wrench. You only need to torque the head nuts. Catch my drift? Bob
Hawkes

-----Original Message-----
From: AJ Huff [mailto:ajh-@earthlink.net]
Sent: Saturday, June 04, 2005 5:54 AM
To: Loopfram-@topica.com
Subject: RE: Idle Speed, now valve spacing

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Have the right side done I think. Boy 0.15mm seems tight to me. I don't
have a tappet wrench so I held them with a small pair of vice grips
while I tightened the nut. Beyond me how you can use a torque wrench and

keep the tappet screw from turning at the same time.

Off to do the left side.

Thanks to everyone so far,

-AJ


Cam Conklin wrote:
 

 
 
Wow, that made a difference. THANKS! I measured 0.28mm intake and
0.30mm
 
 
 


exhaust. So that sounds like too loose rather than too tight, on
this
 
 
 
 side at least.

Just follow those tappet adjustment instructions to tighten up?

Thanks,

-AJ

AJ, Once you get the valves set prior to tightening, make sure you hold
the adjuster pin in the same exact position when you tighten down the
nut. They tend to move when you tighten, and it will throw off your
valve clearances. Recheck it to make sure, if it changes loosten the nut

 
 

and try again. As I recall, re-tourque the heads (BEFORE valves
adjusted) to about 25-30 ft.lbs. Including the hex nut below the cap on
top (12 O'clock). You need to remove the rocker arms to get to that one.

Cam in NJ
'74 Eldo Police



AJ Huff
'71 Ambassador
Three Rivers, MI
MGNOC# 19917

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AJ Huff
'71 Ambassador
Three Rivers, MI
MGNOC# 19917

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