750 Engine help please

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malky
Posts: 885
Joined: Sat Dec 19, 2009 3:25 pm
Location: swansea south wales

Re: 750 Engine help please

Postby malky » Fri Apr 05, 2019 6:12 pm

One point that nobody seems to picked up on yet is that there is no sump on a kettle it's the gearbox and there is no way that by leaving the fuel tap on prime that any petrol can get into the gearbox - if the oil is a milky grey / beige colour it looks as if water is getting in there either from a failed o ring on the bypass hose joint or failed water pump seals - if it is petrol you will smell it plain which would indicate a failed crank seal as this is the only way that petrol can get in there
Mal.

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Jacobscreek
Posts: 84
Joined: Mon Feb 18, 2019 10:32 pm
Location: West Midlands

Re: 750 Engine help please

Postby Jacobscreek » Mon Apr 08, 2019 6:26 pm

Been a bit too busy to work on the bike. You're right about it not being fuel as I've been informed it can't happen on the GT. It's likely to be water contamination as said above. I'm gonna have a think about what to do next. There may be other issues with the engine. Not in any rush to get it sorted and am grateful for all your inputs of info, suggestions and help.

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Jacobscreek
Posts: 84
Joined: Mon Feb 18, 2019 10:32 pm
Location: West Midlands

Re: 750 Engine help please

Postby Jacobscreek » Wed Apr 10, 2019 6:58 pm

Had a short ride about today of about 15 miles while popping up the road to see Baz. No oil emanating from 'the hole' and the radiator water level hasn't dropped. I'm hoping the old oil was contaminated by accident or bad luck when in America. Only time and longer test rides will tell. Baz did say my engine sounded reasonably healthy enough. The engine has an addictive torquey feel to it. Keep your fingers crossed for me please lads lol

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BAZ
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Joined: Thu Jun 18, 2009 7:35 pm
Location: Dudley west midlands
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Re: 750 Engine help please

Postby BAZ » Wed Apr 10, 2019 11:03 pm

Thanks for popping round dude if the weather is ok weekend a 50-mile ride will shake it down..

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Alan H
Posts: 9096
Joined: Fri Aug 05, 2011 6:38 am
Location: Wombwell, Republic of South Yorkshire

Re: 750 Engine help please

Postby Alan H » Wed Apr 10, 2019 11:43 pm

BAZ wrote:Thanks for popping round dude if the weather is ok weekend a 50-mile ride will shake it down..


Or up........ :lol:
Proof that four strokes are over complicated

Kettletimes3
Posts: 1474
Joined: Thu May 03, 2012 12:58 am
Location: Sunny Wales

Re: 750 Engine help please

Postby Kettletimes3 » Thu Apr 11, 2019 12:07 am

Or out.


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