Valve stem oil seals
Thread Starter
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Tourer
Joined: Mar 2016
Posts: 327
Likes: 2
From: Southampton U.K
The trouble is I've inherited a bike which has been my dads for 20 years he's the only one who knows the ins and outs of it in terms of what the compression ratio / stroke is what cams are on it etc etc. But after his stroke his memory is not too good so he can't remember half of what he had done to it.
All I know is compression is high it can be a pig to starts but runs great when it fires up. The noise when it catches wrong is horrid and he tells me that's what it needs.
Unfortunately the only way to find out is to either pay someone to strip it and tell me what's in it and I need oil seals doing anyway or bite the billet and get it done anyway
. Trust me I don't wanna chuck my money around for nothing.
Elite HDF Member
Joined: Mar 2006
Posts: 3,673
Likes: 606
From:
before you throw all kinds of money at it, just ride it for a while. if it starts, it's not broke. the noise from the starter is more than likely the starter clutch and not the starter itself. take a deep breath, step back and stop thinking so much.
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
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From: Haslet Texas
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,116
Likes: 7,638
From: Poolville
Hey Dazzauk, One thing you can do is pull the exhaust and take a look at the exhaust valves to see if indeed there is an oil trail there. If your seals are bad you will see a trail....
Stellar HDF Member
Joined: Jan 2015
Posts: 2,504
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From: ct
Now there's an idea !!!!
Outstanding HDF Member
Joined: Nov 2013
Posts: 2,358
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Can I suggest maybe you aren't using the right starting procedure for it? Jap bikes are totally different and start effortlessly. 2-3 full throttle twists with enricher wide open before pushing the button. Maybe you are but I get a nasty noisy kickback on start if I don't take my time and do this then wait a few seconds and do it again if it doesn't start the first time
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,116
Likes: 7,638
From: Poolville
Can I suggest maybe you aren't using the right starting procedure for it? Jap bikes are totally different and start effortlessly. 2-3 full throttle twists with enricher wide open before pushing the button. Maybe you are but I get a nasty noisy kickback on start if I don't take my time and do this then wait a few seconds and do it again if it doesn't start the first time
Thread Starter
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Tourer
Joined: Mar 2016
Posts: 327
Likes: 2
From: Southampton U.K
Can I suggest maybe you aren't using the right starting procedure for it? Jap bikes are totally different and start effortlessly. 2-3 full throttle twists with enricher wide open before pushing the button. Maybe you are but I get a nasty noisy kickback on start if I don't take my time and do this then wait a few seconds and do it again if it doesn't start the first time
I have the Mikuni Hsr 42mm carb so obviously don't wanna hey loads of fuel in there
Oh maybe a silly question but I don't know the answer. What's the enricher??
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Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
I had my original motor modified and tuned, with stroker crankshaft, high CR, cam, flowed heads etc, but the starter could always do the job. In addition to the previous starting tips, when pressing the starter button, make sure to keep it firmly pressed, so the engine turns over until it is running.
If it is recluctant to turn over briskly then clean your battery terminals, make sure they are tight, but also clean and check the other ends of the main battery cables. Check battery condition and claimed CCA (Cold Cranking Amps). If the battery is old or cheap, it may not have the oomph needed.
If it is recluctant to turn over briskly then clean your battery terminals, make sure they are tight, but also clean and check the other ends of the main battery cables. Check battery condition and claimed CCA (Cold Cranking Amps). If the battery is old or cheap, it may not have the oomph needed.