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does it need a rebuild

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jasepugh1984
Renault 5 Driver



Joined: 30 Oct 2009
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PostPosted: 15:06 - 29 Nov 2009    Post subject: does it need a rebuild Reply with quote
may sound like a stupid question but how do you know if a stroke engine needs a rebuild? Is there things i should look for? thanks,jason
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Aprilia Rs125 2007 11kw (SOLD) - Honda CBR600RR 2008 (Current Summer Toy) - Honda Cb600 2000 (Current Work Commuter)
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element
World Chat Champion



Joined: 23 Jan 2006
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PostPosted: 16:41 - 29 Nov 2009    Post subject: Reply with quote
no power/lack of compression - rebuild
rattly top end (worn small end bearing)/piston slap - rebuild


should be changing the rings on a rs every 10k miles max or something like that.. check workshop manual..


you can hear/feel when a 2t needs a topend rebuild.. bottom end you dont need to touch until the main bearings start to go unless the crank goes before..
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jasepugh1984
Renault 5 Driver



Joined: 30 Oct 2009
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PostPosted: 17:59 - 30 Nov 2009    Post subject: Reply with quote
ok thanks for the advise,Was planning on doing at 10.000 miles, Just didnt know what to watch out for,thanks for the help.jason
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spitfire123
Could Be A Chat Bot



Joined: 06 Nov 2008
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PostPosted: 12:33 - 01 Dec 2009    Post subject: Reply with quote
jasepugh1984 wrote:
ok thanks for the advise,Was planning on doing at 10.000 miles, Just didnt know what to watch out for,thanks for the help.jason


But if its restricted..youd get away with more.

May i ask what milage it has on it currently?
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 12:38 - 01 Dec 2009    Post subject: Reply with quote
Hi

Aprilia say to check the rings at 8000km (5000 miles). Only real way to do that is to strip the top end so you may as well replace them.

You can do a compression check to get a fair idea of the state of the rings.

Top end rebuild is a gentle afternoons work. Easier than doing the valves on a 4 cylinder 4 stroke.

All the best

Keith
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jasepugh1984
Renault 5 Driver



Joined: 30 Oct 2009
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PostPosted: 18:22 - 01 Dec 2009    Post subject: Reply with quote
Its a restricted model with 7810 miles on the clock. its standard apart from arrow end can.
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hmmmnz
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Joined: 22 Aug 2006
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PostPosted: 22:20 - 01 Dec 2009    Post subject: Reply with quote
get a set of rings and change them,
check the top and bottom ends for up and down play, while you are changing the rings,

clean out the power valves and remove all the carbon build up on the piston,


as said its a couple of hours of easy going,
or about 20mins if you know what your doing
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 22:32 - 01 Dec 2009    Post subject: Reply with quote
hmmmnz wrote:

or about 20mins if you know what your doing


You've never done an RS have you Laughing .

All the best

Keith
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hmmmnz
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Joined: 22 Aug 2006
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PostPosted: 01:16 - 02 Dec 2009    Post subject: Reply with quote
Kickstart wrote:
hmmmnz wrote:

or about 20mins if you know what your doing


You've never done an RS have you Laughing .

All the best

Keith


an rs250, not the 125, how hard could it be??
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ram_doom
World Chat Champion



Joined: 25 Mar 2006
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PostPosted: 15:54 - 02 Dec 2009    Post subject: Reply with quote
hmmmnz wrote:

an rs250, not the 125, how hard could it be??


As an RS250 is a v twin; that seems unlikely Shocked
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hmmmnz
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Joined: 22 Aug 2006
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PostPosted: 21:29 - 02 Dec 2009    Post subject: Reply with quote
ram_doom wrote:
hmmmnz wrote:

an rs250, not the 125, how hard could it be??


As an RS250 is a v twin; that seems unlikely Shocked


of course its a vtwin...
that was my point, surely its just 1 cylinder of the vtwin off the 250.
like how suzuki has the rgv125 and the rgv250
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 22:47 - 03 Dec 2009    Post subject: Reply with quote
hmmmnz wrote:
an rs250, not the 125, how hard could it be??


Just that it would take you more than 20 minutes to get the tank off and get the bar out that braces the frame and bolts to the barrel.

The RS125 has prtty much nothing in common with the RS250.

All the best

Keith
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Oz.
Spanner Monkey



Joined: 21 Apr 2008
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PostPosted: 10:40 - 04 Dec 2009    Post subject: Reply with quote
Not to mention how damn cramped the work space is for undoing the all the bolts yay for quarter turns... also the 5 mins it took me to gently work the swiss cheese power valve out.

Took us 3 hours or there abouts to do our first top end rebuild on my rs.
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