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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 20:27 - 14 Apr 2006    Post subject: It's in Reply with quote

Got that GPZ500 engine in the KLE and running today. Started fitting it at 12.30 today, just got back inside after a brief test-ride.

Actually managed to lift the engine in by hand and balance it there while I slid the bolts home.

The CDI wasn't too tricky to wire in either although as it turns out, the coils are the opposite way round. Had the ignition timing 180 degrees out on the first attempt, just a case of swapping two connectors round though.

Other buggeration factors were pretty minimal. I accidentally left the o-ring off the old oil filter on the e4ngine and put the new one on top of it with the net result that the bike spat out about 2 litres of oil in a second when I blipped the throttle. At least there are no worries about the oil pressure.

It isn't running right, but it is doing exactly the same as the KLE was when I put the same set of carbs on. Pulls like a train up to 7k hesitates, pulls through then totally runs out of steam at about 8k. I'm convinced it isn't getting fuel, not sure if it is a problem with the carbs themselves or if the fuel just isn't running out of the tank quickly enough.

I'll put the KLE carbs on it tomorrow and have another tinker with the GPZ ones.
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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colin1
Captain Safety



Joined: 17 Feb 2005
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PostPosted: 23:22 - 14 Apr 2006    Post subject: Reply with quote

i guess this sort of thing is a good reason to have a 500.

Im guessing things wd have been more tricky on a modern 600.
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phantomtek
Lil Joe Tek



Joined: 20 May 2005
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PostPosted: 23:39 - 14 Apr 2006    Post subject: Reply with quote

Good job Stinkwheel.

Thumbs Up Wink
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 00:47 - 15 Apr 2006    Post subject: Reply with quote

COLINWALL wrote:
i guess this sort of thing is a good reason to have a 500.

Im guessing things wd have been more tricky on a modern 600.


Half the number of cylinders, half the oppertunity to go-wrong. Thumbs Up

Actually, that's not entirely true as there are just as many electricks on a twin as on a four.
____________________
“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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Paul@125power
Could Be A Chat Bot



Joined: 01 Mar 2006
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PostPosted: 01:19 - 15 Apr 2006    Post subject: Reply with quote

I had the same problem when experimenting. I found that thinking in of term of not enough fuel was wrong..think of in terms of air!

By this I'm no trying to by condescending Wink

I just have moral thought about teaching and learn
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 01:31 - 15 Apr 2006    Post subject: Reply with quote

Quote:
I had the same problem when experimenting. I found that thinking in of term of not enough fuel was wrong..think of in terms of air!


You could well be on to something there as the KLE airbox is significantly smaller than the GPZ one. Kawasaki are also known for being fastidious designers of airboxes. I'll give it a try with the airbox off in the morning (I'll be taking it off anyway), it will run like a boagwank but if it keeps pulling to the redline without dying, I will know where to focus my attention.

That said, my gut feeling is that the float height is too low, don't want to go down that road though as the carb drain screw heads are burred to oblivion (not by me I hasten to add).
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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quacker_boy
Cuddle Bitch



Joined: 06 Sep 2005
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PostPosted: 05:10 - 15 Apr 2006    Post subject: Reply with quote

stinkwheel wrote:
Actually, that's not entirely true as there are just as many electricks on a twin as on a four.


I'm sensing that was deliberate, clever Razz

Congrats stinkwheel, hope you get it sorted Thumbs Up
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carlnicholson...
World Chat Champion



Joined: 13 Mar 2005
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PostPosted: 07:00 - 15 Apr 2006    Post subject: Reply with quote

Do you think the GPZ motor will put out anymore horses than the KLE?

My KLE is the '05 model (and bunged up with 3 cat converters) and is a fair bit slower than I thought it would be. Hoping to put a stainless pipe on it sometime, but I'm a little worried about when MOT time comes round in a couple of years!
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Richy
Nova Slayer



Joined: 10 May 2005
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PostPosted: 11:58 - 15 Apr 2006    Post subject: Reply with quote

Quote:
That said, my gut feeling is that the float height is too low, don't want to go down that road though as the carb drain screw heads are burred to oblivion (not by me I hasten to add).


Just a thought, is it not possible to drill another sump plug hole then tap it and abandon/weld the other bolt in place (prob wont come out anyway) Question
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 12:01 - 15 Apr 2006    Post subject: Reply with quote

According to the book, a KLE makes 50bhp and a GPZ500 makes 60bhp. One always has to take what the Japanese claim their bikes do with a pinch of salt though, they are notorious for lying about it.

That said, having ridden both, the GPZ is certainly a lot more peaky, revs higher but with a much flatter midrange.

Laser make a 'pro-duro' stainless exhaust system for the KLE with a choice of either a road legal or a sports can. I got the sports can which sounds great, but it is rather noisy. I know I have no problems with the MOT because the guy that does my testing has exactly the same can on his bike, others may not be quite so impressed.
____________________
“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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carlnicholson...
World Chat Champion



Joined: 13 Mar 2005
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PostPosted: 12:45 - 15 Apr 2006    Post subject: Reply with quote

It's the emissions I'll have bother with I think. Getting rid of all the cats would give it much more shove, but may pose problems for it's first MOT. It is 2 years away, but I will almost certainly still own it then.

Bloody europe sticking their beaks with emissions. Rolling Eyes
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impaler
Crazy Courier



Joined: 04 Sep 2004
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PostPosted: 12:53 - 15 Apr 2006    Post subject: Reply with quote

Correct me if I'm wrong, but I thought there was no emissions testing for a bike MoT? Volume is another problem altogether, of course.
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carlnicholson...
World Chat Champion



Joined: 13 Mar 2005
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PostPosted: 12:59 - 15 Apr 2006    Post subject: Reply with quote

There is no emissions testing as yet as the bikes built to the EURO regs have not yet reached 3 years old to need a MOT.

It doesn't affect older bikes, just those built after the regs came in. IE mine in 2005. Bastard. Mad
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 14:29 - 15 Apr 2006    Post subject: Reply with quote

Richy wrote:

Just a thought, is it not possible to drill another sump plug hole then tap it and abandon/weld the other bolt in place (prob wont come out anyway) Question


Nah, it's the brass drain screws in the bottom of the carb. They are tapered at one end and open a valve when you loosen them off which allows fuel to run out of a spout in the bottom. You can measure the float height by putting a length of clear tubing on the spout and holding the end up alongside the carb. The fuel runs into the tubing up to the level it is sitting in the carb.

Quote:
It's the emissions I'll have bother with I think. Getting rid of all the cats would give it much more shove, but may pose problems for it's first MOT. It is 2 years away, but I will almost certainly still own it then.


Given my experience with the quality of standard, mild steel Japanese exhuausts. I think it is highly unlikely that your original system will be in any fit state to perform its function after three years anyway. You can always take it off, put it somewhere safe, fit a stainless system and put the original back on for the MOT.

Anyway, in the spirit of experimentation, Itried it with the airbox off. Runs like a bog of shite, wont run at all above 5k. That kind of confirms that the airbox size/shape makes a huge difference to the carburettion and that the GPZ carbs are simply not set up to run on a KLE airbox (I compared them, the GPZ airbox is easily double the size). The inlet stubs are also a fair bit longer on the GPZ setup, I know this makes a big difference with 2-strokes so perhaps the same thing is happening.

I've put the KLE carbs back on and it pulls a lot better than it did with the standard engine. Also seems to have cured the problems I was having with it running rich through the sports exhaust, no more popping on the over-run.

Well pleased, I am off to have a play on the A7 then go and get pissed with my brother up in Edinburgh.
____________________
“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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carlnicholson...
World Chat Champion



Joined: 13 Mar 2005
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PostPosted: 14:57 - 15 Apr 2006    Post subject: Reply with quote

MMM, the sweet taste of success, LAGER!

Given the chance, I would like to see how mine would go with some proper suspension and a 650 single. Probably not worth the effort, but would make for a fun ride me thinks!
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byke95
World Chat Champion



Joined: 25 Mar 2004
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PostPosted: 15:02 - 15 Apr 2006    Post subject: Reply with quote

Stink, if you ever want an all expenses paid vacation (well, there may be limits on booze consumption depending on how much you drink) to Bournemouth then just let me know.

Seriously, no catch!

small print: by accepting said offer I hereby agree to strip the front end of Phil's Z750 and stick the front end of a Z1000 on it.
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Itchy
Super Spammer



Joined: 07 Apr 2005
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PostPosted: 13:23 - 16 Apr 2006    Post subject: Reply with quote

so in essence you've built a post 2002 KLE500? , as new KLEs use old GPZ500 engines don't they? ,

good job though , never dare do it meself only the basics Thumbs Up
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carlnicholson...
World Chat Champion



Joined: 13 Mar 2005
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PostPosted: 13:31 - 16 Apr 2006    Post subject: Reply with quote

I'll post some pics or my engine when I get the film developed for comparison.
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