johnh Posted February 20, 2008 Report Share Posted February 20, 2008 I have just bought a Montesa Cota 123 (M28) and I,m after some info on, spares and servicing. Where can I get hold of a manual (Haynes, owners, etc) if possible. Spares, the bike has been stood for some years but after cleaning the carb, draining the fuel tank and fitting a new plug she fired up and everything seems to work OK. But I would like to give it a thorough service so gaskets, oil types and quantities are required as well as a few cosmetic items (rear brake pedal, seat/tank unit rubber stays, slow action throttle, grips, cables and carb kit) I live in the Gloucester area. Any advice and/or tips are much appreciated. John Quote Link to comment Share on other sites More sharing options...
sectiononecleaner Posted February 20, 2008 Report Share Posted February 20, 2008 have you tryed sandifords, they are montesa importers James Sandiford (Motorcycles) Limited Unit 3B Bridgewater Court, Bentley Wood Way, Network 65, Hapton, Burnley, Lancs., BB11 5ST. UK. Telephone : 01282 428383 Facsimile : 01282 428171 Email : sales@sandiford.co.uk Quote Link to comment Share on other sites More sharing options...
lucifer Posted February 20, 2008 Report Share Posted February 20, 2008 Try ebay. Someone keeps selling a disc of the Montesa manual for the 123 for a couple of quid. Quote Link to comment Share on other sites More sharing options...
davieboy Posted February 20, 2008 Report Share Posted February 20, 2008 I had one of these a few years ago with a view to re-building it,but the kickstart shaft had stripped all the splines off.A common Montesa problem I believe.I phoned round almost all the suppliers and breakers I could find but could not source another.Spares in general,I was told,are very thin on the ground.I sold it on soon after.The couple of times I had it running it seemed a good bike,very light and manageable.It had very high gearing though so no idea what it would have been like in a trial. Quote Link to comment Share on other sites More sharing options...
johnh Posted February 21, 2008 Author Report Share Posted February 21, 2008 Thanks for the replies, I will give Sandifords a call today, I also saw the discs on ebay but i think they're in Spanish but for a couple of quid I may give them a go. Cheers Quote Link to comment Share on other sites More sharing options...
louiseb Posted January 21 Report Share Posted January 21 I've got a 250 cota ,I think it's a 1968 but not sure it's been torn down the cylinder is marked 73.025 is this stock? Quote Link to comment Share on other sites More sharing options...
lemur Posted January 21 Report Share Posted January 21 16 minutes ago, louiseb said: I've got a 250 cota ,I think it's a 1968 but not sure it's been torn down the cylinder is marked 73.025 is this stock? Really should have started a new thread for this louiseb, found this: 72.5mm bore was standard for a 250 Cota in 1974 Cota 247 in 1968 had a piston diameter of 72.55 (they actually stated piston diameter and not bore so maybe measure your piston and cylinder bore to see what you have) Marked how; written on there with marker pen or numbers stamped on it permanent like? .475mm sounds like a big piston to cylinder gap for rings to fill, so I'd say you are most likely looking at an over-sized something. Decoding the VIN stamped into the frame should clear up what model year yours is and what might be stock original measurements. Quote Link to comment Share on other sites More sharing options...
louiseb Posted January 22 Report Share Posted January 22 The vin stamped in the fork neck is 21m 6600 Quote Link to comment Share on other sites More sharing options...
lemur Posted January 22 Report Share Posted January 22 https://cybermotorcycle.com/marques/montesa/montesa-numbers.htm Quote Link to comment Share on other sites More sharing options...
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