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15-2-2017 XB12SS 2009 big inspection, leak gasket

23-2-2017 - What did we do today 15-2-2017 Xb12SS 2009 big inspection and leaking base gasket

i lost the pictures iff the start off this service... so i pick up half way... oily parts already done — bij Twin Motorcycles Buell Support forever.

hidden rear caliper mounted — bij Twin Motorcycles Buell Support forever.

looks very clean... like this — bij Twin Motorcycles Buell Support forever.

on request customer i made the brake line realy hidden ( below the swingarm ) and up though the space between the engine and the swing arm ( with some extra protection on the brake line ) — bij Twin Motorcycles Buell Support forever.

no it douse not brake better... only looks nice :-) — bij Twin Motorcycles Buell Support forever.

customer asked to mount fully sinterpads right away— bij Twin Motorcycles Buell Support forever.

so some sinter ones mounted — bij Twin Motorcycles Buell Support forever.

little drop off loctite on the mounting bolts — bij Twin Motorcycles Buell Support forever.

brake line to the master rear — bij Twin Motorcycles Buell Support forever.

connected and brake light switch connector can be mounted back — bij Twin Motorcycles Buell Support forever.

rear wheel bearings started to feel gritty... replaced these — bij Twin Motorcycles Buell Support forever.

if your carefull the hidden caliper set up makes it faster to mount the rear wheel. as the caliper can stay in place , for mounting opening up the space between the brake pads can be usefull — bij Twin Motorcycles Buell Support forever.

filling the rear fluid — bij Twin Motorcycles Buell Support forever.

bleeding can be a pain... with a vacuum pump.. easy peasy — bij Twin Motorcycles Buell Support forever.

looks like the front cylinder base gasket is sweating a little — bij Twin Motorcycles Buell Support forever.

replaced the broken spring in the belt tensioner — bij Twin Motorcycles Buell Support forever.

removing the rear straps to take off the exhaust — bij Twin Motorcycles Buell Support forever.

with the tensioner removed is much easier — bij Twin Motorcycles Buell Support forever.

exhaust off — bij Twin Motorcycles Buell Support forever.

supporting the engine — bij Twin Motorcycles Buell Support forever.

and removing the front engine bolt — bij Twin Motorcycles Buell Support forever.

front header bolts loose — bij Twin Motorcycles Buell Support forever.

no to the top , airbox need to come off — bij Twin Motorcycles Buell Support forever.

mnnnn... not to happy about this ( the oversize honed cylinders are only just broken in ) base plate off — bij Twin Motorcycles Buell Support forever.

removing the side stand , the reasr off the bike is already lowered... and we need to lower the front end to... a shorter side stand is very smart , as the bike will stand to upright — bij Twin Motorcycles Buell Support forever.

long one off, short one on — bij Twin Motorcycles Buell Support forever.

little lubing wil not hurt the dry pivot — bij Twin Motorcycles Buell Support forever.

so further with the engine rotation , disconnect the reasr O2 sensor — bij Twin Motorcycles Buell Support forever.

and rotate the engine down so you can loosen the header nuts — bij Twin Motorcycles Buell Support forever.

a little wiggeling and pulling , and the header is off— bij Twin Motorcycles Buell Support forever.

intake manifold flange bolts loose — bij Twin Motorcycles Buell Support forever.

and spark plugs the easy way ( with engine rotated down ) — bij Twin Motorcycles Buell Support forever.

as i want the remove the front head / cilinder to check , the top mount and coil bracket needs to come off — bij Twin Motorcycles Buell Support forever.

manifold out — bij Twin Motorcycles Buell Support forever.

need to adress this.. rubbing wire harness problem to be — bij Twin Motorcycles Buell Support forever.

so off with the heads , starting with the rocker cover— bij Twin Motorcycles Buell Support forever.

rocker box bolts... start with the 6 small ones — bij Twin Motorcycles Buell Support forever.

place a little rag between the head and the rocker box... it will leak oil there ... loosen evenly the 4 big rocker box bolts — bij Twin Motorcycles Buell Support forever.

pushrods out — bij Twin Motorcycles Buell Support forever.

and with a 1/2 inch 12 point you can loosen / remove the head bolts — bij Twin Motorcycles Buell Support forever.

mnnn not good.. i now know why the base is sweating.. headgasket failure , and head bolt came loose ( with out the tension... ) need to check the cylinder studs... we don't see this happen often , it even looks like the head gasket was leaking a little— bij Twin Motorcycles Buell Support forever.

some markings in the cilinder — bij Twin Motorcycles Buell Support forever.

piston and rings look good... looks like the 2e ring is not even worn in fully — bij Twin Motorcycles Buell Support forever.

case protected from falling objects , and lifters protected — bij Twin Motorcycles Buell Support forever.

after looking at the front i really need to check the reas to , about the same as the front.. but with a head sensor in the middle off the head.. loosen this connector — bij Twin Motorcycles Buell Support forever.

small bolts fist than big bolts evenly — bij Twin Motorcycles Buell Support forever.

and the head bolts loose, these where all nive and tight — bij Twin Motorcycles Buell Support forever.

rear head off, you see the gasket has sticked on all around.. typical witht he stock gaskets , signs off a good seal — bij Twin Motorcycles Buell Support forever.

resr rings look also ok.. hardly worn in... i will give the cylinders a light hone to sharpen up the cylinders, new rings.. and will break here in on the dyno my self , with break in oil — bij Twin Motorcycles Buell Support forever.