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24-9-2014 1125 Fuel pomp, Xb12X problem child.

25-9-2014 - Buell XB12 top engine mount, ground problem, customer had a hard time starting, felt like the battery is dead. Buell 1125 fuel pump problems. Buell XB12X problem child.

Xb12 top engine mount, ground problem, customer had a hard time starting, felt like the battery is dead, advice try a jumper cable from battery ground directly to the engine ( studs idler pulley ) this made a huge difference, check the treads on the top engine mount, common problem this is bad on older bikes, bad ground , customer send in his mount for us to make a tread repair.

 

Xb12 top engine mount, ground problem, we like to use timeserts to repair this, as we think this ia a much better solution as helicoils , drilling to size.

 

Xb12 top engine mount, ground problem, making the recess in the mount for the flange off the insert.

 

Xb12 top engine mount, ground problem, checking the depth of the recess to the insert will be fush.

 

Xb12 top engine mount, ground problem,tapping the insert outer tread.

 

Xb12 top engine mount, ground problem,and screw in the insert, with the special tool locking it in place.

 

Xb12 top engine mount, ground problem,nice and flat.

 

Xb12 top engine mount, ground problem, new bolt and ready to go back to the customer.

 

1125 fuel pump problems, we removed the fuel pomp, no taking apart to check for internal leaks.

 

1125 fuel pump problems, outer over pressure valve off ( and holder for the low light sensor ) 

 

1125 fuel pump problems, protective covers off.

 

1125 fuel pump problems, and fuel pump off.

 

1125 fuel pump problems, problem on the Xb pumps is the rubber press in seal to from the filter.

 

1125 fuel pump problems,looks like this one can be better to.

 

1125 fuel pump problems, normaly no replacement parts are available for the 1125 pump, but the filter number is the same, and the XB seal is a very good fit  https://www.twinmotorcycles.nl/webshop/artikel.asp?guid=YXHFSC&aid=3882&cid=0&s=p0164&a&aname=Buell_XB912_Seal_fuel_pomp_outlet_2004-2010

 

1125 fuel pump problems, a little rubber lube to press it in.

 

1125 fuel pump problems,fuel filter back on.

 

1125 fuel pump problems,and hoses back connected.

 

1125 fuel pump problems,in test setting, it looks like it holds its pressure.

 

1125 fuel pump problems,ok lets try.. fuel pomp back in, you see the notch , there is a recess in the frame opening where this sits ( needs to point down )

 

1125 fuel pump problems, pomp back in , i gently tapped it with a hammer as there is very little to grab on to.

 

1125 fuel pump problems,the biggest c-clip pliers we have , and put the c-clip back in.

 

1125 fuel pump problems,and swing arm back in.

 

1125 fuel pump problems,wheel back on , and testing.. dham still douse strange.. i called the customer.. i really want to go for a new fuel pump assembly, as i have a bad feeling on this repaired one.

 

Xb12X problem child, i have been playing around an test riding this bike, and the on-off hickup is almost gone at 2200 rpm bud needed to put allot off fuel in... been pondering what could cause this, searching for a problem can make you a little blind sided.. so, back to basics.. compression test... as the bike douse run "normal" i never did this.

 

Xb12X problem child, covers off to get to the spark plugs.

 

Xb12X problem child, press the intake aor sensor out.

 

Xb12X problem child, left side scoop off, to remove the front plug.

 

Xb12X problem child, ok front cylinder cold, turning to max pressure 11 bar.

 

Xb12X problem child, rear cold same conditions 12 bar... ok for me enough to go and check the cam timing...