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Post by alibongo on Aug 6, 2007 10:23:02 GMT 1
That I got a bit too giddy on the way home, and that I have a ignition problem!   Any ideas uncle Norbs? Also prices for a new piston/rings/small end bearing? Wot an arse. At least it didnt seize and chuck me into a wall!!  |
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Post by Dirtbag on Aug 6, 2007 11:27:03 GMT 1
Oooh...........thats nasty !  |
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Post by Norbo on Aug 6, 2007 11:48:29 GMT 1
If you havent damaged the barrels you could get away with a second hand piston and new rings on that side and a new top set . I would have the timing looked at. That has been eating away at the piston top for a while i would think . That holl did not just happen just got to thin and went threw. it wants to be set at 1.8 for optimum setup with unleaded .
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Post by Dirtbag on Aug 6, 2007 12:07:11 GMT 1
Yeah....I agree
Maybe a grade cooler plug too......unless youre already using BR9's
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Post by stevebozzy on Aug 6, 2007 12:23:36 GMT 1
you might get away with a M8 bolt with a big washer on it,through the hole !
steve
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Post by alibongo on Aug 6, 2007 14:50:13 GMT 1
;D ;D ;D ;D
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Post by alibongo on Aug 6, 2007 16:27:17 GMT 1
Right, I have no idea why this may have happened so I need some suggestions. Everything was fine up until the seizure 12 months ago, (remember, that was caused by a blocked oil jet) Now, I have not changed anything (jets/needles etc) and up until that blockage it withstood lots of thrashing without any problems. Could that original seizure have knocked the timing out? As I have noticed that the l/h piston has a light melt on top as well. I am going to replace the inlet rubbers to eradicate any air leaks past the boost bottle as that is the only new edition engine wise and new gaskets all round. IDEAS PLEASE.  |
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Post by Norbo on Aug 6, 2007 16:36:08 GMT 1
Yes that is a very real and valed point after a seizure the crank can be out of wack, this may well have contributed to it if not coursed it alltogether . If it is out then bit by bit it would eat your piston tops untill in munched all the way threw.
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Post by alibongo on Aug 6, 2007 16:46:01 GMT 1
Right, but this has happend in just one day as I have hardly done 30 miles since the seizure. Any tips on timing it up and what else could it be? It was all Steves fault anyway, he MADE me go faster! ;D ;D |
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Post by scott on Aug 6, 2007 18:16:19 GMT 1
bad news about ur bike bongo,hope u get it sorted  |
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Post by Deleted on Aug 6, 2007 18:34:48 GMT 1
well there goes my ash tray?!? |
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Post by billbott on Aug 6, 2007 18:48:08 GMT 1
Right, but this has happend in just one day as I have hardly done 30 miles since the seizure. Any tips on timing it up and what else could it be? It was all Steves fault anyway, he MADE me go faster! ;D ;D You need to set it up with a DTI (clock) Good point about the crank being slightly out after the seize - mine did that years ago. With a bit of patience, you can check it all when its in the bike. Pm me if you struggle - you can borrow mine. |
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Post by Dirtbag on Aug 6, 2007 20:53:18 GMT 1
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Post by pablo on Aug 6, 2007 21:16:23 GMT 1
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Post by Dirtbag on Aug 6, 2007 21:21:17 GMT 1
oOOOh........you bitch pabs ;D ;D
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Post by jacobeana on Aug 6, 2007 21:30:31 GMT 1
Looks like an ignition timing seize to me  |
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Post by pablo on Aug 6, 2007 21:39:17 GMT 1
 well,the piston on my old GP100 looked like that...not enough oil it was...adjusted the pump to stop it smoking so much...first 'thrash?'...melt down...just my 2 bobs worth ...oh yeah...bongo is STILL a beefer ;D...sorry mate,couldnt resist 
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Post by alibongo on Aug 7, 2007 7:13:04 GMT 1
Cheers mate, suppose that proves it anyway. ;D ;D |
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Post by pablo on Aug 7, 2007 21:20:58 GMT 1
any more clues yet Ali?
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Post by alibongo on Aug 8, 2007 8:19:15 GMT 1
No idea yet, got the engine on the bench but no time to sort it. ::)Looks like a weekend job. |
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Post by stevebozzy on Aug 8, 2007 13:26:30 GMT 1
ali,
ages ago i put a link on about fault diagnosis with seized pistons
but its gone now,
did anybody save it ?
it might shed some light on this matter
steveb
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Post by alibongo on Aug 8, 2007 15:36:59 GMT 1
Didnt see that one Steve. Gotta be one of two things tho, Timing and/or twisted crank. I dont think an air leak would do that so quickly and I dont think it was fuel coz she was going well over the tops. If you find it give us a shout.  |
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Post by mellow on Aug 8, 2007 18:54:00 GMT 1
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Post by alibongo on Aug 9, 2007 8:04:30 GMT 1
Thank you Mellow.  See Pabs, he aint as bad as you make out. ;D |
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Post by mellow on Aug 9, 2007 17:57:59 GMT 1
ul also note the place that had the page has closed down so page unavailable  |
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Post by pablo on Aug 9, 2007 20:12:44 GMT 1
Thank you Mellow. See Pabs, he aint as bad as you make out. ;D s'wanga |
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Post by mellow on Aug 9, 2007 21:22:54 GMT 1
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Post by pablo on Aug 11, 2007 19:03:17 GMT 1
only joking mucker
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Post by mellow on Aug 12, 2007 17:49:13 GMT 1
lucky for u i was just on me way up to urs to biff ya  ;D |
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Post by Dirtbag on Aug 12, 2007 18:33:28 GMT 1
behave you two..............or its straight to bed with no supper
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well,the piston on my old GP100 looked like that...not enough oil it was...adjusted the pump to stop it smoking so much...first 'thrash?'...melt down...just my 2 bobs worth 
