Rebuilding NSR

[Scooby]

Hmmmm... what a day!!

Woke up this morning at 9am and with the aid of a mate began to rebuild my NSR! For those of you who don't know, I siezed it up, shattered the piston, which subsequently fell into my crankcase. 2~3 days ago we rebuilt the actual engine itself, this included new piston, rings, gaskets, bearings, circlips. Easy stuff. Bolted everything back together, and decided saturday (today) would be the best day to put the engine back into the bike.

Should only have taken a couple of hours, but no, bloody powervalves!! We had basically secured the engine bolts in place, reconnected the carb, airbox, etc. Once everything was set up sweet, in goes the 2 squeak oil, in goes the gearbox oil, clutch set up, chain adjusted, it's all good

Turned the engine over a few times without a plug in to get a bit of lube around and basically let it bed it a bit. All going well. So, in goes the plug, on goes the tank, connected up the fuel line to the carb. Went to start it, bugger all. Feck! Flat battery

We went in for some lunch whilst the battery was on charge, an hour later whacks the battery in, fires up first time Left it ticking over for about 20 mins, turned the engine off, and noticed a whirring sound. Well bugger me, the powervalve is fucked

Off comes the tank, etc, and we finally get to the powervalve again. Now it's set up fine, however there's one bloody bolt that holds the RC Servo housing on that we can't seem to fasten, so we left it for today.

/me notices water dripping on floor.. feck! it's pissing coolant over my garage floor

So anyway, we've left it at that for the time being. Couple more hours and everything should be sorted. Just the RC Servo housing bolt to fasten, and the coolant leak (which is probably the gasket for the water pump), then the bodywork to sort out.

It's looking good, but I could have cried a few times today!! Should be sorted by next Saturday at the latest, got a lot of coursework on so don't think I will get much chance to look at it before the weekend, but hopefully I can get it advertised and sold soon, to whoever wants a 125 2 squeak for winter



Sorry for the lengthly post
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A big enough hammer fixes anything!

[Ste]

Good news

What made it blow up in the first place?

[Scooby]

Lack of oil. Hey wait!! Don't laugh it really wasn't my fault

My oil pipe somehow disconnected itself from my carb, so whilst there was plenty of oil in the oil tank it was pissing it all over the inside of my fairings, and not into my engine

Then, going about 95mph it just locked up on me, no warnings or anything. Luckily I pulled the clutch in really fast so I haven't done any damage to the barrel, so I got away with needing new piston/rings, etc.
____________________
A big enough hammer fixes anything!

[Ste]

Damn, could have been worse though

Could happen to any bike though

Shitty design I put it down to

[Scooby]

To be honest mate I ain't bothered anymore. I just wanna get it sorted and sell it. You're always gonna get more hassle with 2 strokes than 4 strokes, and I can't be doing with it. I couldn't go any distance on this bike because I don't feel I can trust it anymore to get me there and back without a trip in a recovery van Purely and simply because I am paranoid it's gonna sieze up on me

Oh well, shouldn't be too long before I get my new bike now Gotta look on the bright side.
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A big enough hammer fixes anything!

[stevo]

Theres a guy out there somewhere with a 145bhp RG570 special. wonder if he feels ever feels that 'cant trust the bitch, is she gonna seize on me' feeling?
Nah course not!
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The Voices made me do it.

[Scooby]

Well ok let me put it another way, what would you feel safer doing a 50 mile round trip on, an NSR or a CBR250 like Goose's?

I know my first choice would be the CBR, I also think that getting a 4 stroke will work out cheaper anyway. Ok, the insurance is a little bit more (about £75 in my case, moving from an NSR to a 400cc) but I spend £75 in about 6 months anyway on bloody 2 stroke oil!

Plus I get the added bonus of 40mph extra top end speed, the better sound, and the ability to wheelie
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A big enough hammer fixes anything!

[Ste]

Away you go then

actually, im getting bored of the power (or lack of) on the NSR

Its good fun, and I like it, just need a bit more power

well, it will have to be about this time next year i chage bikes

[Kickstart]

[Scooby]

I know what you mean Stephen. I was bored in about a month of the power of my NSR, possibly due to the fact I have ridden a lot of motorcross bikes, and the NSR seems lame compared to a crosser.

The NSR is a nice bike to ride but just lacks about another 30-40 bhp

If I could turn the clock back I think I would have gone straight for a 400, but if I did that I probably wouldn't have found this forum, and met you guys, which could be quite sad thinking about it


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A big enough hammer fixes anything!

[Scooby]

Keith, but given the choice... NSR125 or CBR250???

[Ste]

Well, I am gonna be on an NSR for at least 1 year as it is, so i guess the NSR is a good one to be on

Although I dont think i could bring myself to renew the insurance on it, when I could sell it, and buy a 400/ 600 ( ) and insure that for not that much more

[Scooby]

You probably are better off just letting your current policy run out before you get a new bike. I cancelled mine and lost about £120 through 'administration charges' (righto ) and also lost the 5 months I had towards my second years no claims bonus.

If you can sell the NSR and have another bike lined up ready it's worthwhile just upgrading your current policy, but like me, I am having to rebuild the NSR so it works out cheaper (but still cost me £120 ) to cancel my policy then just take out another one when I get my new bike.
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A big enough hammer fixes anything!

[Ste]

If you wanna make some money, buy 10 NSR's from Sid Morhams in Slough for £3200, and then sell them on for £3500

[Scooby]

And you'll lend me the £32,000 up front will you?

You really do post excessively... I signed up 6 months before you and we are on about the same level posting wise The amount of time I spend on here is unhealthly, are you logged on 24/7 or something
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A big enough hammer fixes anything!

[Ste]

[Scooby]

I am hoping for £2k for the NSR, then I'm after a 400... hopefully ZXR, but will consider CBR/GSXR/NC30 as well, just depends what comes up at the right price.

I don't want to be too fussy over what bike I actually want because it will mean one never turns up

I may even go for a Bandit 4/6 if one comes up at the right price like I say, but I would like to stick with sports bikes if at all possible.

(Off to bed now mate, catch you laters)
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A big enough hammer fixes anything!

[TJ NSR]

thats a shite deal....


i can pick up UK model Nsrs at 2600 +vat (trade)... now thats cheap

[Ste]

[Kickstart]

[Scotty]

To be honest i'm fairly confident on the NSR about making long trips.
When i was first on it going to places like Tern hill, that are quite far from my house, and absolutly killing the engine all the way there and back, i was waiting with my hand over the clutch waiting for something to go pop.
But nothing. if anything i get beet MPG out of reving the nuts out of it. lol.
Well ok not that high.
Seems to be a fairly reliable 2 stroke unit.
All ive done is put petrol and oil in it...
(well so far...dont know what the future holds)
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Regards
Scott

[craigT19]

at what sort of millage should you be changing your piston etc??


its just my NSR has just passed 14,000 miles


i think my engines still in good condition..

i did 6k miles before i de-ristricted it so it had plenty of chance to be..."broke in"

its run on castrol TTS from Day 1

i get it surviced every 2 thousand miles.

so how long do ya reckon looking at that ^^^^

at my last service the honda guy had a look and said "youe engine is in good condition still, almost no scaring on the barrel, the gaskets and the piston are fine...your rings are a little worn but thats nouthing to worry about..after all it has done 12k miles"


so any insite you could give me G or Kickstart would be gratly appriciated.

thank you
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Bikes owned :- 2001 nsr125, 1999 zx6r, 2006 yzf-r1, 2009 xmax 250, 2012 yzf-r1, 2015 MT-07
Current bike : - 2016 MT-10
BCF member pops. sadly missed 1945-2003

[Ste]

Off topic sorta: is the second service at 2,000 miles then? And then every 2,000 miles after that?

[craigT19]

i think its down to what you decide to do mate....its just personally i like mine done as much as poss
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Bikes owned :- 2001 nsr125, 1999 zx6r, 2006 yzf-r1, 2009 xmax 250, 2012 yzf-r1, 2015 MT-07
Current bike : - 2016 MT-10
BCF member pops. sadly missed 1945-2003

[Ste]

/me wonders what honda say... anyone know?