Confessions of a Home Mechanic!

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MotoCP
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Confessions of a Home Mechanic!

Post by MotoCP »

Further to my post last week about the passing of John Haynes (AKA Haynes Manuals), i thought we should have a thread dedicated to recounting stories of our mechanical mishaps.

To recap, here is my first tale......

As a spotty teenage lad, life was all about ‘firsts’.
First pint in a pub, first shag, first job, first rock concert, first bike, first car etc....

My first bike was an old Yamaha RS100 which only cost £150.
It was a far cry from the ‘rich kid’ neighbour’s gorgeous RD125LC, but it was all I could afford whilst on the YTS and it beat cycling to brickwork collage every day.

In an attempt to make the bike go faster. I treated it to Slick 50 and bent the reed valves open to allow more fuel through, but things got more serious when a mate gave me a micron exhaust.

Now that pipe was so loud, I became unpopular with all the neighbours as the high frequency of the zorst distorted their TV signal every time I rode past.

In fact one day, I had a copper jump out from behind a wall when the first speed guns were introduced but he literally ‘jumped the gun’.
He thought I was only a hundred yards away but I was more like three hundred, allowing me plenty of time to slow down and I rode past him with a smirk as he lowered his gun shaking his head.

Silence soon resumed however due to incorrect jetting which resulted in a holed piston.

A week later with new parts in hand, I tore into the top end of the bike with the odd cursory glance at the ‘Haynes Workshop Manual’.

After a few hours of head scratching, the new piston & rings were fitted, so I gingerly kicked the bike over as my mate Dick walked down the drive to see how I was getting on. Compression felt ok, so I kicked harder but it still wouldn’t fire.

After a couple of roll ups and a brew, we concluded it was probably all the oil I’d smeared on the bore and piston that was fouling the plug so we though bumping it off might be the solution.

We pushed the bike along our street to the edge of a very steep hill that was ideal for our intended purpose.

Little did I know at that stage, I was about to embark on a ride that would teach me a valuable lesson in carburettor re-assembly....

On refitting the throttle slide valve back into the carb body, i’d carelessly fitted it 180 deg out of position. The slide had dropped in nicely (but not down to the bottom so it was set at full throttle!) as I screwed the carb lid back on.

On the third attempt at bumping the bike, it fired.....

My face turned from a look of relief to absolute terror as the engine screamed, launching me into a series of manic wheelies as I pulled the clutch in an attempt to control the uncontrollable throttle (no kill switch) then repeatedly let it out abruptly in mechanical sympathy, attempting to lower the revs and save the engine.

The violence of the ride meant I couldn’t let go of the handle bars to turn the ignition off so this scenario played out all the way to the bottom of the hill and straight across a road until I hit a steep banking opposite.

Still grasping the handle bars on impact, I flipped arse over tit and lay winded on my back as my mechanical error dawned on me.

Tilting my head back, I watched the upside down silhouette of my mate Dick staggering around on the horizon like a cowboy that had just been shot in the stomach before he collapsed in a heap of hysterics.

I chuckled to myself as I realised I’d just had another first. My first accident, and I’d got away with it without a scratch.
But as an ‘invincible’ teenager I was naturally more bothered about the state of my still screaming bike....

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Ok, who’s next in the confession booth with a mechanical misadventure?
:oops:
Tonibe63
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Re: Confessions of a Home Mechanic!

Post by Tonibe63 »

:lol: :lol: pmsl :lol: :lol:
Open your eyes and you see what is in front of you, open your mind and you see a bigger picture but open your heart and you see a whole new World.
Tonibe63
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Re: Confessions of a Home Mechanic!

Post by Tonibe63 »

1985, I had a mk2 escort with a 1600 engine fitted to a 1300 gearbox which gave it less top end but great acceleration and good for wheelspins. The brakes were standard 1300 (non servo) and totally rubbish so I decided to fit a servo. Pleased with my spannering it was time for a test drive ............ the brakes locked solid the moment I touched the pedal and ended skidding into the back of another car writing off both vehicles :oops: :oops: .
To make it worse it was 2 weeks before our wedding and we had no money due to getting our first house/mortgage. My Dad called me a tw@t and then rented a car for us to use on our honeymoon to Dorset.
Ended up buying an Austin Allegro automatic to get to work which was true punishment for my stupidity. 34 years later and still married 8-)
Open your eyes and you see what is in front of you, open your mind and you see a bigger picture but open your heart and you see a whole new World.
Africa John
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Re: Confessions of a Home Mechanic!

Post by Africa John »

Serviced the 6 pots on my ZX7R then took a spirited ride to my sister's to go to Oulton Park for BSB with my brother in law.

On the way to bruv's it was 120mph+ round East Yorkshire's finest roads.

On way to Oulton via Lincolnshire I noticed a sudden lack of braking and a loud banging noise from the front end so hastily backed off.

Looked down and there was one caliper swinging merrily in the breeze!

Stopped and finger tightened the other one but had to limp home carrying the other one as all the bolts had fallen out

Needless to say I check everything now on reassembly and use a marker pen to show I have


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Elmer J Fudd
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Re: Confessions of a Home Mechanic!

Post by Elmer J Fudd »

Austin Allegro, had one of them as a first car.

One day the wipers stopped working, so I took the steering column apart to check out the switch; took it apart, cleaned it (not that it was dirty), then refitted....nothing....

A pal was over and just lifted the wipers up and dropped them again and said try that. B£$%^rd!
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Hugh
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Re: Confessions of a Home Mechanic!

Post by Hugh »

Greetings,

As an apprentice I went to the foreman and asked for help to undo a pinion nut as it was too tight for my punny muscles. He asked how tight could it be, "heave until you fill your pants, if not undone then come back".

So I went and heaved, no movement from either of us- me nor the nut. I thought a bit longer and went for a jack handle to make the socket bar longer - not so thick now I thought ! Fitted the socket onto the nut, crouched underneath and pulled down as hard as I could. The nut suddenly loosened, the bar came down straight onto my forehead knocking me out.

The foreman had followed me but kept out of sight to see what I was up to. He picked me up and laughing simply said "silly beggar push away from your self - never pull towards".

I learnt a lesson or two that day :lol:

TTFN

Hugh.
Nigel
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Re: Confessions of a Home Mechanic!

Post by Nigel »

MotoCP wrote: Sat Feb 23, 2019 8:15 am Further to my post last week about the passing of John Haynes (AKA Haynes Manuals), i thought we should have a thread dedicated to recounting stories of our mechanical mishaps.

To recap, here is my first tale......



In an attempt to make the bike go faster. I treated it to Slick 50 and bent the reed valves open to allow more fuel through, but things got more serious
Slick 50 bloody hell that takes me back! I feel old now :lol:
Nigel
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Re: Confessions of a Home Mechanic!

Post by Nigel »

I was told that Dad taught Mum about mechanics, Norton 500 wouldnt start so took spark plug out, connected it to lead and told Mum to hold it! Kicked bike over, Mum jumped 2 foot in the air and Dad said well weve got a spark :lol:
Mad Hatter
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Re: Confessions of a Home Mechanic!

Post by Mad Hatter »

Checked all the valves on a CBF 500 I had, went to start it and it cranked and cranked and cranked, thought it hadn't got a spark from where I'd had to strip the coils off so pulled the plug and stuck it on top of the engine and hit the starter.......

It had a spark, it was flooded, and on the compression stroke.

lit my arm on fire and the under side of the full petrol tank, in a 75sqft storage unit :shock: not my finest hour :lol:

Still don't know why it wouldn't start either :oops:
daveuprite
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Re: Confessions of a Home Mechanic!

Post by daveuprite »

Castle Coombe race track 2001.

Took the R6 supersport race bike to do a bit of testing (at a public trackday).

Never been to this circuit before so I didn't know that they employ an ex-SS officer who managed to escape Germany in 1945 and got placed by the Odessa in Wiltshire to test the decibel level of bikes on trackdays at Castle Coombe race track.

Turns out my bike, with it's full race Micron system and carbon can, fails the 98DB test, twice, at 102 db, much to the delight of the Sturmanfuhrer. I am not allowed out on track until I pass Himmler's test.

So I tell him I have a quieter can in the van. Being an accomplished mechanic, I grab an old can of heineken, puncture some holes in it, wrap two socks round it, and insert it into the link pipe ahead of the can. Turn the can around so it looks different and back I go to the Gestapo decibel head-quarters.

Hoorah! I pass the test - by the skin of my teeth.

So I zip back to my van, remove the homemade baffle and head out on to the track, full chat, full system, 102 decibels. Within 2 laps, just as I am getting into my stride, I get black flagged. I do another lap just to check, and there it is again - a black flag aimed clearly at me. As I slow down and pull in to the pits I am overtaken by my own choking black smoke. People with fire extinguishers surround me in pit lane, as the second sock I forgot to remove spews out fumes all over the place.

Heinrich threw me in irons and it was years before I tunneled my way to freedom...
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