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dreaded oil pump dreaded oil pump
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Yamaha Tech Originally the Yamaha XT600 Tech Forum, due to demand it now includes all Yamaha's technical / mechanical / repair / preparation questions.
Photo by Alessio Corradini, on the Salar de Uyuni, Bolivia, of two locals

I haven't been everywhere...
but it's on my list!


Photo by Alessio Corradini,
on the Salar de Uyuni, Bolivia,
of two locals



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  #1  
Old 12 Jan 2006
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dreaded oil pump
Could be an old question, but does the newer, better oil pump fit an '87 1vj? Also, what is the correct oil capacity for the engine? Dipping the oil is a bit of a pallaver (been told various methods of checking, none seem to give me a reading on stick. Oil drains back to engine so quick!) Like old bus though, reminds me of my old xt500....
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  #2  
Old 13 Jan 2006
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hello,

yes, you can fit a better oil pump, the older model has 1VJ marked on, the newer model 3AJ.

if you cant check your oil level on the dipstick in the tank, than the oil valve is not working properly.

the oil valve (can think of the proper name in english now) is a spring with a ball and a seal in the clutch side cover. it controlls the oil coming in from the oil tank into the engine. it is easy to replace. but first check if it is maybe blocked by something.

enjoy riding and read your manual about the amount of oil you should fill in. if you dont have a manual, get one.

greetings mika from berne

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  #3  
Old 13 Jan 2006
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Mica - sorry to come into your thread, but I have a rapid ticking noise at clutch side of my engine for about 20 sec after start up, and after bike has stood for a while. Could it be coming from this valve? Perhaps a blockage, or all oil draining down back through valve and pump having to send it all back up there?
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  #4  
Old 14 Jan 2006
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Thanks Mika. Is this valve to stop it wet-sumping? Is it in the cover or in the crankcase? Are there any other simple improvements using newer components?
Thanks again, Neil
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  #5  
Old 14 Jan 2006
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Hi 1 VJ drivers,

your engine needs more or less 2,6 Liter of oil!!!!!
Not 2,0 liter, like Yamaha says!!!!

Nice to hear, that there are still some of these bikes alive.
Ours are now 20 years old :-)

Best wishes from Dubai

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RalEva

http://www.Motorradnomaden.de
around the world on 2 motorcycles

The homepage has a translation service!!
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Best wishes
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Ralf & Eva

http://www.Motorradnomaden.de
around the world on 2 motorbikes

The homepage has a translation service!!
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  #6  
Old 14 Jan 2006
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hi boxer,

no, your ticking sound is not caused by this oil valve. cant say where it comes from over the internet.

mika
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  #7  
Old 14 Jan 2006
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Hi Nick,

it is in the cover. the valve is a spring, a metal ball and a seal. yes, it causes a wet sump if it does not work properly. check if blocked, if not, than put a new one in.

mika
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  #8  
Old 14 Jan 2006
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Hi Ralf,

hey you are still in this luxery appartment, needed a rest after Africa, believe me I can understand that.

2,6 Liter with oilfilter change, I think this is what my manual said (not the original Yamaha one, that I have never seen).

enjoy life on the road

mika

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  #9  
Old 14 Jan 2006
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hi niel, sorry for calling you nick,

cant think of any other improvements now, using newer model parts.

... maybe changing the air filter box intake to the later 3AJ version. so, that not the hot air over from the engine is sucked in.

try to find more in earlier postings in this forum about the air filter box change. or check www.xt600.de and ask Klaus to send you some pictures, when he is back from Jemen.

mika
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