number-1
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| posted on 28/7/12 at 06:22 PM |
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Gsxr 1100 wp gear/clutch problem
Folks, im working on the mid engine BEC project with a GSXR 1100 WP engine and tried to drive it in my road today (private road officer). I got it
into 1st gear and with my foot on the clutch it jumped forward and stalled. I cant get it out of first gear...any idea what it could be?
Does anyone here have a mid engine BEC that could take a pic of the gear selector lever at the engine end so i can compare?
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rf900rush
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| posted on 28/7/12 at 07:33 PM |
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I guess you should have a hydraulic clutch.
Hope I'm not stating the obvious.
Is the clutch moving the rod the actuates the clutch.
I have got some down loaded PDF GSXR1100W and RF900RR manuals if any use.
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maccmike
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| posted on 28/7/12 at 08:29 PM |
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I dont think its anything to do with gear selection but clutch set up.
Give the clutch a good bleed, had something similar while ago.
And BEC's do jerk forward a bit.
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number-1
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| posted on 28/7/12 at 08:42 PM |
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quote:
Originally posted by rf900rush
I guess you should have a hydraulic clutch.
Hope I'm not stating the obvious.
Is the clutch moving the rod the actuates the clutch.
I have got some down loaded PDF GSXR1100W and RF900RR manuals if any use.
Is that the workshop manual or the Haynes?
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number-1
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| posted on 28/7/12 at 08:44 PM |
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Just seen that I've managed to bend the gear linkage rod!! Is this an easy repair???
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number-1
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| posted on 28/7/12 at 09:22 PM |
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Is this a big/expensive repair?
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number-1
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| posted on 28/7/12 at 09:35 PM |
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This was it before
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maccmike
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| posted on 28/7/12 at 11:10 PM |
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its a weedy little thing that, make a new'n rather than repair. if you dont have the facilities any metal shop could make one.
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number-1
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| posted on 28/7/12 at 11:23 PM |
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quote:
Originally posted by maccmike
its a weedy little thing that, make a new'n rather than repair. if you dont have the facilities any metal shop could make one.
Im brand new to all this BEC malarkie........is it a push/pull cable or is it a solid rod?
In the cockpit ive got the sequential gear shift, it loops under the dash, along the floor pan and into the engine bay.
[Edited on 28/7/12 by number-1]
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maccmike
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| posted on 28/7/12 at 11:55 PM |
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when i initially looked at the picture i thought it looked like a cable. but a cable set up needs 2 cables to push and pull. so i figured it must be a
rod?
your cockpit view picture - the mechanism at the engine end is different to the before and after photo's.
the more i look at it it does look like a cable within a rod.
without seeing its operation i cant figure out how it would push.
im writing - looking at pictures - writing etc.
think iv figured it out. it is a cable but runs inside a tube that would allow it to work both ways, cant imagine its efficient though.
your choices are;
add a second cable to pull from the other side, then you've got two pulling cables.
repair what you've got. - the sleeve needs pushing back towards the large nut and maybe a couple of spot welds.
replace what you've got.
change it completely with a rod mechanism.
where you based?
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maccmike
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| posted on 29/7/12 at 12:04 AM |
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think id change it to a rod, wouldnt be hard at all, if you were to do it yourself you'd only need an angle grinder and a cheap welder plus
materials like stright thick walled tubing, tap and die set, clevis pins, split pins etc. would need to floor mount your lever though.
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maccmike
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| posted on 29/7/12 at 12:06 AM |
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ill take some pictures of mine tomorrow, very simple set up. easy to replicate.
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number-1
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| posted on 29/7/12 at 12:06 AM |
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The pics were taken 8 hours apart! Like you say, it looks like a 4/5mm cable within a sheath......i dont get how it can push? The way its routed from
the cockpit is to much of an angle for it to be a rod.
Im in Aylesbury, Bucks.
Maybe because the sleeve is away from the nut there is slack which wont allow the gear change?
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number-1
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| posted on 29/7/12 at 12:09 AM |
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quote:
Originally posted by maccmike
ill take some pictures of mine tomorrow, very simple set up. easy to replicate.
If you dont mind mate that would be awsome. Im up against it to get it ready for a track day on 18th Aug! The panic is setting in...im still waiting
for the seat, i cant change gear, its too loud and ive not driven it yet!!! 
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number-1
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| posted on 29/7/12 at 12:11 AM |
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By the looks of it the lever was floor mounted before
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maccmike
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| posted on 29/7/12 at 12:22 AM |
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Looking at your pictures theres plenty of room to rod it. you'll see when i take pictures tom.
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number-1
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| posted on 29/7/12 at 12:27 AM |
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Cheers mate, i realy appreciate it. just found a pic of the original set up
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maccmike
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| posted on 29/7/12 at 12:40 AM |
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yes something like that.
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maccmike
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| posted on 29/7/12 at 12:42 AM |
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and you've already got the floor bracket.
shame your so far away
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number-1
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| posted on 29/7/12 at 12:48 AM |
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I will take a close look at your pics tomorrow and see if I'm
Capable of doing it.
Cheers once again for your help
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maccmike
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| posted on 29/7/12 at 11:00 AM |
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Iv not forgotten you mate, its raining and my car's an outdoor car. if it stops before the grand prix ill take pictures, if not it'll be
this afternoon. hope thats ok.
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number-1
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| posted on 29/7/12 at 11:43 AM |
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That's fine mate. It's nice and sunny down here at the moment...no doubt that will soon change!
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maccmike
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| posted on 29/7/12 at 04:39 PM |
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http://www.locostbuilders.co.uk/photos.php?action=showphoto&photo=2DSCF4585.JPG
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maccmike
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| posted on 29/7/12 at 04:44 PM |
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I dont know how you upload pictures like you have done so done it this way instead ^^^^
Its still raining so drawn the setup
at each end of the horizontal rod is an adjustable clevis pin and pin.
rod passes through the fire wall and onto the gear selector splined lever.
it really is a simple set up.
I will take pictures of it for you though when I can
Mike
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number-1
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| posted on 29/7/12 at 05:59 PM |
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Cheers for the pic mate. The reason they used a cable last time was due to the exhaust...in my engine bay, the exhaust is where the rod would have to
go through...look to the left where the orange cable is...theres the hole through the firewall where the cable came throough
however, next to it is another hole...in this pic its above the orange cable. It runs a few cm above the floor pan clears the exhaust
I could run the rod through that just above the floor. Using the blue cable it appears to go straight to where my old shifter was. I can either try
and buy/make/move the floor mounted box to that location and do as you say or put back my old shifter and use another wire?
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