Removing cylinder head

Gerald

Supercharged
Joined
Dec 14, 2018
Messages
362
Location
Lou. Ky
Ride
05 Rocket 3
If you can breath through the cylinder with valves closed, that sounds like a major malfunction! If you blow into the cylinder through the spark plug hole where does the air go? Can you hear it escaping through the throttle bodies? Exhaust? Crankcase breather? That would help narrow down the problem.
If pressurizing cylinders, make sure each piston is at T.D.C., with valves closed and clearance between cams and shims. Leave one plug per cyl. installed. Then listen for air escaping and from where. I made a tester by brazing a fitting on a broken spark plug and hooking rubber hose connected to air chuck to charge each cyl..
 

m6w6

.040 Over
Thread starter
Joined
Jun 8, 2017
Messages
72
Location
Neufeld an der Leitha, Austria
Ride
2009 Touring
This one?
pulley.png
 

TURBO200R4

stand up straight and grab the world by the a$$
Joined
Jan 24, 2013
Messages
6,252
Location
TUCSON AZ
Ride
07 rocket III classic
Yes
I thought that if that nut was loose it might tear up that keyway or what ever it is called.
 

m6w6

.040 Over
Thread starter
Joined
Jun 8, 2017
Messages
72
Location
Neufeld an der Leitha, Austria
Ride
2009 Touring
IMG_20210501_120120.jpgIMG_20210501_120139.jpgIMG_20210501_132118.jpgIMG_20210501_132125.jpgIMG_20210501_132142.jpgIMG_20210501_132215.jpg

Okay, here's the current state of affairs: each exhaust valve bent, tiny scratches on the pistons, cylinders like new.

Chain blades okay, tensioner okay (1/2 engaged), sprockets okay, crank sprocket key okay (it's huge actually). But there's uncertainty about the chain: it measures 5mm short of the replacement limit, 145.82mm actual length across the 0-23 links with 13kg attached, vs 149.48mm, which is basically a full chain link.

Apparently, there are two versions of them cam chain, and obviously I already have the newer one with 3/4 blades per link compared to 4/5 blades. So, is the measurement of the service book with 149.48mm still correct?

The question why the chain jumped teeth, is still unclear, unless the service book's measurements do not correlate with my chain...
 
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