Subject: RE: motor weirdness
Author: sam heath
Date: Dec 26, 2003, 7:20 AM
Post ID: 1715594910
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this may seem like a strange thing to check,but it happened to me when i pulled the pistons and connecting rods out of my ambo motor.did you put the con-rod back on the same way they came off? i put one on backwards and it bound up and the motor would not turn. just giving you something elseto check because you never know
sam
70 ambo
02stone
Ray Hale <ray.-@sfcc.edu> wrote:
Charlie,
Thanks for responding.
No bolts rubbing. I removed the pulley and tried again, no difference.
Removed the rockers thinking maybe something there was binding, same
thing. Pushrods (and lifters) moving normally. Everything inside is
spinning, tightly, but I expected that from new bearings, pistons,
cylinders. But if I tighten that nut on the end of the crank where the
pulley mounts, it all locks up.
Only thing I can think of is a crank free-play issue but there is
absolutely nothing about this in any of the lit (that I can find) and
when I posted the list about this, all the responses I got were the
same, including from experienced Guzzi motor builders - don't worry
about it.
This motor was torn down completely. The rebuild didn;t seem complicated
at all and no spare parts were left. I'll teasr into it this morning and
let you know if I find anything.
Ray
Charlie Mullendore wrote:
Hi Ray, The bolts of the crank pulley aren't rubbing against the timing cover are they? Trying to think where else there could be a problem. How far apart did you have this engine? Cheers, Charlie. Ray Hale wrote:
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<DIV>this may seem like a strange thing to check,but it happened to me when i pulled the pistons and connecting rods out of my ambo motor.did you put the con-rod back on the same way they came off? i put one on backwards and it bound up and the motor would not turn. just giving you something elseto check because you never know</DIV>
<DIV>sam</DIV>
<DIV>70 ambo</DIV>
<DIV>02stone<BR><BR><B><I>Ray Hale <ray.-@sfcc.edu></I></B> wrote:</DIV>
<BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">Charlie,<BR>Thanks for responding. <BR>No bolts rubbing. I removed the pulley and tried again, no difference. <BR>Removed the rockers thinking maybe something there was binding, same <BR>thing. Pushrods (and lifters) moving normally. Everything inside is <BR>spinning, tightly, but I expected that from new bearings, pistons, <BR>cylinders. But if I tighten that nut on the end of the crank where the <BR>pulley mounts, it all locks up. <BR>Only thing I can think of is a crank free-play issue but there is <BR>absolutely nothing about this in any of the lit (that I can find) and <BR>when I posted the list about this, all the responses I got were the <BR>same, including from experienced Guzzi motor builders - don't worry <BR>about it.<BR>This motor was torn down completely. The rebuild didn;t seem complicated <BR>at all and no spare parts were left. I'll teasr into it this morning and
<BR>let you know if I find anything.<BR>Ray<BR><BR><BR>Charlie Mullendore wrote:<BR>> <BR>> Hi Ray,<BR>> The bolts of the crank pulley aren't rubbing against the timing cover <BR>> are they? Trying to think where else there could be a problem. How far <BR>> apart did you have this engine? Cheers, Charlie.<BR>> <BR>> Ray Hale wrote:<BR>> > <BR>> > Happy Holidays y'all.<BR>> > We miss the snow on Christmas day but damn it's a beautiful day here. <BR>> > <BR>> > Was assembling the top end last night (again, don't ask). When it was <BR>> > together and ready for valve lash adjusting I used the generator pulley <BR>> > nut to turn the motor over. As soon as it was tight, the motor refused <BR>> > to turn anymore. Loosen it up and it turns by hand from the flywheel. <BR>> > Tighten it up and no-go. Dreamt about this last night, dammit.<BR>> > <BR>> > Any ideas? This is why I was reluctant to put
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