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Ham-fisted Harry

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Pete.
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PostPosted: 19:39 - 10 Aug 2008    Post subject: Ham-fisted Harry Reply with quote

I bought a s-plate fazer recently that has 70-odd thousand miles on the clock. Been used for commuting with only new tyres and regular oil-changes for attention. I had to ride it 1/2 mile home.

Engien sounds not too bad with a bit of camchain rattle but the main two things I noticed was 1. the grips were loose (had to put a death-grip on the throttle to turn it (turned-out to be someone had bodged some heated grips on backbards by sawing the one that goes on the throttle tube and wrapping insulating tape around the bar on the clutch side Very Happy) and 2. throttle response was very on/off in that it would barely idle, pick-up on two cylinders then all of a sudden leap forward when it picked-up on four pots.

Today I stripped the carbs, to find that two of the idle mixture screws have been screwed in so tight that the tips snapped off and were jammed in the hole, one was set about right but seized solid and the last was undone half a dozen turns. God alone knows what they were trying to achieve but now I'm off to eBay to find a set of fazer 600 carbs.

Some people should definately step-away from the spanners!
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132.9mph off and walked away. Gear is good, gear is good, gear is very very good Very Happy
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Gazdaman
I did a trackday!!!



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PostPosted: 20:01 - 10 Aug 2008    Post subject: Reply with quote

I recently bought a crusty commuter with the aim of just giving it oil, petrol, tyres and nothing else.

But I just can't help myself, I find myself cleaning, fixing, poking stuff. Buying a hugger, new shocks, considering which dual disk'd front ends will fit without many mods...

People with any mechanical sympathy just can't have disposable bikes. They find themselves trawling eBay for parts to fit a knackered old GS500.

Gaz
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Pete.
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PostPosted: 20:47 - 10 Aug 2008    Post subject: Reply with quote

BLUEX5 wrote:
If the carb screws are brass you may have success drilling them and braying a torx bit into the hole to undo them.


Tried that. Since it's sunk in a recess in the alloy body I couldn't get enough heat into it for brazing but I did try soldering, which didn't work. I actually got about 1/16 of a turn out of it originally by hack-sawing a slot and using a close fitting screwdriver then applying a bit of heat and and turning but ultimately that wasn't successful either. TBH if it weren't for the two broken idle screws I would just leave it set how it is - I managed to get the broken tips out. Having said that, 70k miles has taken it's toll on the butterfly mechanisms and just by looking through you can see there's poor repeatability in the closing gaps so I gather that balancing them would be very hit & miss too.
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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good Very Happy
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Ichy
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PostPosted: 21:19 - 10 Aug 2008    Post subject: Reply with quote

Gazdaman wrote:
But I just can't help myself, I find myself cleaning, fixing, poking stuff


Not just me then. I can spend £100's on a cheap bike getting it to a standard that I think is acceptable. I can't cope with the idea of 'that will do'. No wonder I have no money.
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Gazdaman
I did a trackday!!!



Joined: 12 Aug 2004
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PostPosted: 21:30 - 10 Aug 2008    Post subject: Reply with quote

Exactly, I can't just go for an £800 GS500, and get one in good nick.

I'll buy one for £550 because 'I don't want to spend much'. Then spend £300 and hours doing little jobs.

I guess I just like tinkering.

It's like my forks are pitted, the bulk of the pitting is above the working travel of the forks. But everytime I look at it I'm not happy, I bet I'll get them rechromed or buy a new set at some point.

Gaz
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stinkwheel
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PostPosted: 22:43 - 10 Aug 2008    Post subject: Re: Ham-fisted Harry Reply with quote

Geri wrote:

Some people should definately step-away from the spanners!


There again. If the Japanese made their motorcycle parts out of materials with a much lower cheese content and finally put a stop to their bloody minded insistance on using cross heads/pozidrive (or a mixture of the two as I found on the ones I stripped for cleaning last night) on their screw fittings, it probably wouldn't have happened.

While they are at it, they could probably see their way clear to putting the mixture screws somewhere you can actually see them, get at them and put some weight on the head to stop the driver slipping

Even Russian carbs are made from better alloy and brass than Kehin and Mikuni. I mean really, brass has no business seizing in the first place.

Suggestions. Well allen heads work ok, Torx seem to work too. The Soviets use big, chunky, cheese-heads on which you can use an enormous screwdriver
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I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
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