Aprilia RS50 Serios Problem

Theoutsider · Scooby Slapper Joined: 03 Sep 2008 Karma :

I don`t know why but i get oil in water(coolant).I reckon it is oil engine.Is this possible>?What should I do?

baldy · World Chat Champion Joined: 15 Feb 2004 Karma :

Are you sure it's oil? The water jacket is completely separate from the gearbox oil. I think it wouldn't run for long if there was a passage between the two before it seized up. Do you have water in the oil?
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B10Hazard · World Chat Champion Joined: 29 Jan 2009 Karma :

Drain the system and put fresh in, could just be crap in there from previous owner etc.
If it is oil i highly doubt its from the engine matey. Thinking about it i cant find a way for oil to get there via the engine. Like baldy said . . completly seperate.
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tutton · World Chat Champion Joined: 04 Jan 2008 Karma :

he could be on about water in the gearbox oil...
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Tristan. · World Chat Champion Joined: 26 May 2007 Karma :

Without knowing anything about the 'prillia 50 engines I would say the only likely place to have the coolant and the gear oil coming together would be at the water pump, unless it's driven off the crank.

Are you finding oil in your coolant or coolant in your oil?

Theoutsider · Scooby Slapper Joined: 03 Sep 2008 Karma :

Oil in coolant.Ok and I have few more questions.Why does it overheats?It doesn`t start from the button not even with the iridum spark plug,just bumb start,and when I accelerate I have to rev the shit out of it to go if not it dies,and it is really annoying and stresful

tutton · World Chat Champion Joined: 04 Jan 2008 Karma :

Needs a bump start and needs high revs to keep it going means you have very little compression if my memory serves me correct, thus needing a top end rebuild, if you want to proove this theory get hold of a compression tester.

Not sure on the oil in coolant yet..
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Past: '05 Peugeot XPS '99 Aprillia RS125 '94 FZR600R
Current: '02 ZX636 A1P '51 CCM R30

baldy · World Chat Champion Joined: 15 Feb 2004 Karma :

It could be a few things, the mechanical water pump seal could be leaking ot the head gasket. If there is oil in the water you have a serious problem. If it overheats all the time it may seize up.
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Theoutsider · Scooby Slapper Joined: 03 Sep 2008 Karma :

I have checked the piston and the rings and they are perfect.I only have 1000 miles with this piston.Could it be gaskets?

The Artist · Super Spammer Joined: 06 Jan 2008 Karma :

Surely you can't be serios?

baldy · World Chat Champion Joined: 15 Feb 2004 Karma :

How did you check them? Just looking at them wont tell you if they are worn out. It could be the bore that is worn. Do a compression test first. If you have had the engine apart you will have to renew the gaskets or they will probably leak. If you have changed the piston, did you change the rings, small end bearing, circlips and gudgeon pin and gaskets?
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Theoutsider · Scooby Slapper Joined: 03 Sep 2008 Karma :

I have changed everything except gaskets as they look alright and piston and rings

Theoutsider · Scooby Slapper Joined: 03 Sep 2008 Karma :

Baldy have you got an nsr for sale>?can you give me more details.Thanks

baldy · World Chat Champion Joined: 15 Feb 2004 Karma :

Sold it this afternoon, the guy hasn't picked it up yet, but if it all goes pair shaped i'll let you know.

details are here
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GSXR_Warrior · Scooby Slapper Joined: 23 Oct 2005 Karma :

I have had this before on cars that I have owned, not on any bikes though.

Was always a head gasket problem.
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Billing · World Chat Champion Joined: 12 Mar 2009 Karma :

Just because the gaskets LOOK ok doesn't mean they are, they could be warped, and if so could be a cause for your oil in coolant problem Thumbs Up

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Theoutsider · Scooby Slapper Joined: 03 Sep 2008 Karma :

Ok no more oil in coolant.But it overheats and it does not start from the button.Badly of the guy doesn`t pick up the bike let me know.Thanks

Theoutsider · Scooby Slapper Joined: 03 Sep 2008 Karma :

Sorry.What I did want to say was,Badly if the guy doesn`t pick up the bike let me know.

RugbyGriffo · Two Stroke Sniffer Joined: 05 Apr 2009 Karma :

Hey, My Bike Is Making A Serious Noise And i Found Out it Was The Gearbox But There was No Oil In There Shocked

Does Anyone Know What Oil In Takes?
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Aprilia Rs 50
70cc Bore Kit
21mm Carb
Arrow Racing Pipe
Few Other Bits Nd Bobs
75-80 mph
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