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03-07-2016, 09:33 AM | #1 |
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Bike: M900
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Monster Refresh continued
Going on from last years' refresh of my 1997 900 (http://www.ukmonster.co.uk/monster/s...onster+refresh) and in preparation for another little jaunt over to the Continent (we are still allowed to go there right?) I have been busy in the garage again so thought I would start another thread documenting all the fun.
Firstly on the list was to try and cure the problem I had on a rather hot day (remember that one?) a couple of months ago when the dreaded vapour lock struck again. A phone call to Moto Rapido and a day later this lot arrived: So then it was off with the old and on with the new: As there is a rebuild kit available it made sense to replace the innards of the vacuum fuel pump: Nice and clean and ready to go back on:
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03-07-2016, 11:24 AM | #2 |
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Looks good mate
Sometimes the smallest job is the most satisfying |
03-07-2016, 01:18 PM | #3 |
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Thanks, trouble is these small jobs always tend to turn into much larger ones once I get started.
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03-07-2016, 01:20 PM | #4 |
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So as the vacuum fuel tap isn't rebuildable I had no choice as to buy a new one while I was changing the hoses.
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You're perfect, yes, it's true- But without me you're only you! Last edited by Flip; 29-11-2016 at 10:04 PM.. |
03-07-2016, 01:26 PM | #5 |
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03-07-2016, 01:30 PM | #6 |
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And while the tank was off the bike I thought I'd address the slightly notchy feeling steering that has niggled me for a while. It's a bit of a weird one as it's most noticeable when riding at filtering speeds where I'm constantly adjusting input to the bars yet during the MoT the tester picked it up when the steering neared full lock.
Anyway, almost twenty years isn't bad for a set of bearings so my tried and trusted step ladder was called into service yet again: A little persuasion using some of my favourite tools and they were separated for the first time since leaving the factory: Spot the difference:
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You're perfect, yes, it's true- But without me you're only you! Last edited by Flip; 29-11-2016 at 10:06 PM.. |
03-07-2016, 01:36 PM | #7 | |
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Quote:
However, if you know of a set of FCR's going for a reasonable price...........
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03-07-2016, 01:38 PM | #8 |
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Then it's the little things you notice as you go, this time new oil cooler mounting rubbers as the originals were starting to split:
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You're perfect, yes, it's true- But without me you're only you! Last edited by Flip; 29-11-2016 at 10:07 PM.. |
03-07-2016, 01:52 PM | #9 |
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They don't owe you anything much after 20 odd years. Originals would have been ball bearings though so they must have been changed previously?
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03-07-2016, 02:00 PM | #10 | |
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Quote:
I bought the bike when it was two years old from my mate (who bought it new) and it only had 900 miles on when I got it.
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You're perfect, yes, it's true- But without me you're only you! Last edited by Flip; 03-07-2016 at 02:02 PM.. |
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03-07-2016, 02:12 PM | #11 |
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Thats interesting since the S4 is ball bearings, which I thought was a bit odd for a modern bike.
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
03-07-2016, 11:27 PM | #12 | |
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Quote:
Obviously doesn't explain why the S4 went back to ball races though.
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You're perfect, yes, it's true- But without me you're only you! Last edited by Flip; 29-11-2016 at 10:08 PM.. |
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03-07-2016, 11:33 PM | #13 |
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O.K. so had fun in the garage tonight and got the new bearing rings into the frame without any problems:
I also found that the vacuum cleaner extension pipe was the perfect diameter to fit over the steering stem and onto the inner surface of the lower bearing meaning a couple of gentle taps with Mr R Mallet was all that was needed:
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You're perfect, yes, it's true- But without me you're only you! Last edited by Flip; 29-11-2016 at 10:09 PM.. |
03-07-2016, 11:43 PM | #14 |
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So the steering stem is fitted back into the frame and I can already tell there is a massive, if not unexpected improvement in smoothness but the information I have for tightening the stem up is to do it by feel.
Now I wonder does anyone have anything a little more scientific please? To give you all an idea, with just the lower yoke fitted and the lock nut tightened to where there is no play in the bearings but movement is still smooth I am getting a 1Kg pull force using a spring balance (the kind used for fishing- which I also use for measuring timing belt tension) from full lock to full lock. How does that sound?
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04-07-2016, 09:40 AM | #15 |
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mv specify hand tight plus 10 degrees.
Honda has the best steering stem tightening process (for ball bearings) that I have seen proposed by any of the manufacturers... They say to tighten the steering stem to where it takes 4 ft.lb. to get the head to turn. To set this I strap a stick across (horizontal) the the fork tubes so that it sticks out more than 1' from the steering head vertical axis. I then use a fish scale to pull on the stick at a point 1' out from the steering axis. I tighten the steering head bearing until it takes 4-5 lb of pull on the fish scale, to move the head. |
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