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Author Topic: The work begins  (Read 6367 times)

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longlast

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Re: The work begins
« Reply #15 on: May 29, 2018, 12:32:15 AM »

How many miles are on it?

Only 22k. Hot happy having to do this breakdown do too bad shop work on a head gasket recall. On top now I've got a broken rocker carrier bolt in the head.
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longlast

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Re: The work begins
« Reply #16 on: May 29, 2018, 05:21:06 PM »

Got the pots off, the cylinder walls are in good condition no scoring what so ever the cross hatching is still clearly visible around the hole cylinder.

For you far more experienced than I on Harley motors.

Would you renew the rings or just replace the faulty seal (reason it was pulled down) and put the pots back on the same rings..


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johnsachs

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Re: The work begins
« Reply #17 on: May 29, 2018, 05:30:11 PM »

Got the pots off, the cylinder walls are in good condition no scoring what so ever the cross hatching is still clearly visible around the hole cylinder.

For you far more experienced than I on Harley motors.

Would you renew the rings or just replace the faulty seal (reason it was pulled down) and put the pots back on the same rings..
If the MIDDLE rings have a fine shiny line at the bottom of them just put the cylinder back on. If the ring is shiny across the whole face, replace the whole set.  ;)
John
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longlast

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Re: The work begins
« Reply #18 on: May 29, 2018, 05:36:34 PM »

What sensor would this be,.....it goes into the firing chamber.
« Last Edit: May 29, 2018, 05:41:39 PM by longlast »
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HD Street Performance

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Re: The work begins
« Reply #19 on: May 29, 2018, 05:51:29 PM »

The automatic compression release that needs to be disconnected and a wide open throttle to get an accurate compression number
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longlast

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Re: The work begins
« Reply #20 on: May 29, 2018, 06:44:09 PM »

The automatic compression release that needs to be disconnected and a wide open throttle to get an accurate compression number

Ok that I didn't do on the compression test most likely that's why the reading was low.

Cheers
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MCE

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Re: The work begins
« Reply #21 on: May 29, 2018, 10:53:27 PM »

I doubt you need rings with that low mileage. Replace the lifters and other wear items and ride it.

You'll need to drill that broken bolt. I'd get a reverse twist drill bit and it should come right out easily.
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HD Street Performance

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Re: The work begins
« Reply #22 on: May 30, 2018, 11:19:22 AM »

If the MIDDLE rings have a fine shiny line at the bottom of them just put the cylinder back on. If the ring is shiny across the whole face, replace the whole set.  ;)
John
Good advice there, I look at the consistency of the stripe too, in other words same size around the circumference
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J.D.

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Re: The work begins
« Reply #23 on: May 30, 2018, 11:28:58 AM »

I'd too put that all back together as-is unless you see some unusual wear or problem as noted.  Lifters, rocker lockers and inner cam bearing upgrade a good idea if not already done.
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longlast

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Re: The work begins
« Reply #24 on: May 30, 2018, 10:33:53 PM »

Haven't looked at the rings as yet, but the cylinders are clean all round.
Been messing with the broken bolt. I'm managing to get it on the move. Not out yet.

Rocker lockers going in.

S&S lifters previously done.

Full compliment cam bearings previously done.
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trippy

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Re: The work begins
« Reply #25 on: May 31, 2018, 04:12:22 PM »

For your info, the Harley Service manual gives 2 sets of figures for doing a compression test,  with standard 110 engine,

1.  With Comp releases disconnected  200-220 PSI.


2. With Comp releases connected and working 130-170 PSI.


Hope that helps.
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longlast

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Re: The work begins
« Reply #26 on: May 31, 2018, 04:46:56 PM »

For your info, the Harley Service manual gives 2 sets of figures for doing a compression test,  with standard 110 engine,

1.  With Comp releases disconnected  200-220 PSI.


2. With Comp releases connected and working 130-170 PSI.


Hope that helps.

Thanks,.     
   I assume the comp release were working for the readings I got. At the time I thought mine didn't have the units.
Once it's back together I'll be doing the test with them connected and disconnected.

I'll be testing them to be sure that they're working before they go back.
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trippy

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Re: The work begins
« Reply #27 on: June 04, 2018, 09:43:50 AM »

You may want to take a look at this,  I used it to "break in" my engine a couple of years ago, and it seems to have worked a treat.

Have talked to many Harley independants over the last couple of years about this very subject and most agree with it, Too do a good job with "Piston Ring to Cylnderwall" sealing, dont use "synthetic" oils and ride it like you stole it! 

I changed my oil after 50 miles, then again after another 200, and didnt start using "rock oil TRM" untill had 1,000 on the clock.

I have "no oil " usage at all, with exception of the very small amount from the breather system (I use a catch can to keep the cylinders and pistons crowns  clean).

http://mototuneusa.com/break_in_secrets.htm

Regards
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HD Street Performance

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Re: The work begins
« Reply #28 on: June 04, 2018, 10:09:56 AM »

Use the recommendation of the person doing the hone for break in. Consider yourself one of the lucky ones the rings didn't microweld. That method is best suited to water cooled engines with a close tuneup.
« Last Edit: June 04, 2018, 11:46:30 AM by HD Street Performance »
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VANAMAL

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Re: The work begins
« Reply #29 on: June 04, 2018, 10:15:08 AM »

i replaced my rear oring recently. I left the piston in the cyl and just removed the wrist pin. Pretty easy no problem since
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