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Author Topic: Timing chain stretched?  (Read 305 times)

DaveH

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Re: Timing chain stretched?
« Reply #15 on: June 12, 2017, 10:57:25 AM »

Sadly the bolt, or more accurately, it's remains, are still thoroughly engaged with the frame. <br />
<br />
Took the ccw drills up to 7mm and no sign of budging. Then tried the easy outs... Snapped the T-bar handle... admittedly not an expensive one, then resorted top turning with a spanner, still no sign of movement <br />
<br />
Managed to fit a hacksaw blade through the hole and tried cutting a couple of channels to try and break the integrity of the remains:no joy as yet. <br />
<br />
I am beginning to wonder if the bolt has been secured using permanent loctite at some point in its life.
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DaveH

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Re: Timing chain stretched?
« Reply #16 on: June 22, 2017, 11:08:09 PM »

Finally able to get the bolt out after a trying both heat and freezer spray mid week. There was an identifiable line between the bolt and the frame, so some judicious hacksawing meant the the bolt could be broken and removed.

Was going to fit a helicoil but bottled it.

Threads didn't look too bad, so run the tap up them and fitted a slightly longer bolt and the threads took the torque, so fitted the engine and bike is now back on the road.

Now need to replace a fork seal that the recovery company burst by placing lateral force on the fork leg by strapping the lower leg to the side - but still the engine is sounding lovely and quiet :)
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Tiiimmmaaayyyy

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Re: Timing chain stretched?
« Reply #17 on: Today at 08:13:29 AM »

Good work Dave, it sounds like an absolute ball ache but well done for persevering.
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komp

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Re: Timing chain stretched?
« Reply #18 on: Today at 08:58:14 AM »

:thumbleft:
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Ducati Panigale 899 - KTM 990 SMT

Dom1

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Re: Timing chain stretched?
« Reply #19 on: Today at 09:19:46 AM »

Top work, well exceeded my skill/mechanical bravery range there.
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"Do you think God gets stoned? I think so... Look at the platypus." - Robin Williams RIP
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