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25-09-2019, 06:32 PM | #1 |
Transmaniacon MOC
Join Date: Sep 2013
Location: Sutton In Ashfield
Bike: Multiple Monsters
Posts: 6,026
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1997 was the year the Monster had the small valve (750 head) fitted and different cams, smaller carbs etc. Down to a paltry 68 bhp unless you had the S version which still had the 900SS lump and presumably the other original SS bits.
They did eventually change it back again around when the 900 S model was discontinued. Around '00 to '01 But the whole S saga is another story and I'm sure Gazza will fill in the hazy details around that or I will need to look it up. Essentially there were some S models with old spec and some with the new spec when the Mk1b model came out. I suppose they were using up whatever stock they had available?
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Roast Beef Monster! Termignoni and Bucci - Italian for pipe and slippers! S4 Fogarty, S4R 07T, 748, Series 1 Mirage |
25-09-2019, 06:38 PM | #2 |
Member
Join Date: Sep 2019
Location: Glasgow
Bike: M900
Posts: 108
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Hmm I might need to double check what carbs I had as there is a chap in California who makes tougher needle valves for the 38mm (from memory) mikunis, which is what I had on my original '99 M900 (which I suspect was small valve as the power was nowhere near this one's). I figured I'd do the same mod so maybe I have bigger carbs. I'll wait and see if it starts fouling plugs from an ovaled needle jet valve/emulsion tube though...
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26-09-2019, 05:50 PM | #3 | |
.
Join Date: May 2007
Location: Stockbridge
Bike: M900
Posts: 1,984
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Quote:
Depending when it was made, some 900 motors have been opened up to change the cylinder head studs: an early spec. tended to snap.
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Original and Best since 1993 Last edited by Darkness; 26-09-2019 at 05:54 PM.. |
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26-09-2019, 07:03 PM | #4 | ||
Member
Join Date: Sep 2019
Location: Glasgow
Bike: M900
Posts: 108
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Quote:
Quote:
Darkness, yep, we don't know if this is an early or late v2 motor, although I guess some inference can probably be made from its serial number. It seems like whoever did the conversion knew what they were doing, unless they fluked the motor - but the rest of the bikes mods are quite well done. Just a shame they didn't take care of the electrics, but I guess I need to have _some_ work to do |
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