Chrome bezel glass repair kit for smiths speedo tach bsa for 85 mm housing. Magnetic and governor speedometer repair, gloucester 2021. From 1964 onwards most smiths motorycycle instruments were of the magnetic movement type and can be identified by having ssm speedometer shallow magnetic or rsm revcounter shallow magnetic at the beginning of the part number on the dial face. When selecting a speedometer drive you are limited to axle sizes, that is usually a taletell sign of what was originally fitted. That was well over 40 years ago and i have been repairing speedometers for. Smiths speedometer repair, smiths tachometer repair, motorcycles. The copy of the mk 3 nemag drawings 2 are from a smiths instrument service manual. It turns out that one of the most difficult steps is the first one. Magnetic and governor speedometer repair, gloucester, united kingdom. The book that you want is magnetic speedo repair, and it is the definitive guide to the repair and calibration of smiths ssm series speedos and rsm revcounters.
Magnetic speedometer repair by graham blighe realclassic. Inside the speedo housing, the speedometer cable connects up to a small frame which holds the magnet and worm assembly 5, on the outside of the frame are two small magnets. Your bsa, norton, triumph or other classic british motorcycle can have the same length cable it left the factory with. Jan 01, 2009 magnetic speedometer repair perfect paperback january 1, 2009 by graham blighe author 5. Smiths magnetic speedometer, tachometer, revcounter repair. Made from one piece machined steel, knurled on the handle and black zinc to look like original part. Suzuki boulevard speedometer magnetic speed sensor repair.
In this session we get into something akin to playing god with magnetism. Smiths speedometer conversion filastrocchemamanatura. Magnetic speedometer repair is the trading name for flannery. Grahams book is very comprehensive and easy to follow. Magnetic speedometer repair by graham blighe is an 80page large format softback with 50 illustrations, which costs. Fits bsa, norton, and triumph motorcycles that used smiths magnetic speedometers. Removing the glass on the motorcycle speedometer to restore the dial face plate. Also covers fault diagnosis, cable and drive gearbox maintenance and repair. Nos stewart warner speedometer odometer repair parts stewartwarner old. Save money and repair smiths magnetic ssm and rsm instruments yourself. Go to save money and repair smiths magnetic ssm and rsm instruments yourself. Smiths magnetic speedometer gauge repair, smiths tachometer. Though i was already fairly familiar with working on small mechanisms like this, the book probably helped me avoid a pitfall or two.
Disassembly and inspection of magnetic speedometer. Bsa triumph smiths ssm magnetic speedometer rsm tachometer. A small permanent magnet driven by the speedometer cable interacts with a small aluminum cup attached to the shaft of the pointer on the analogue speedometer. You will remove the wheel and install a new magnetic speed sensor pickup. Aiken auto electric mechanic advisor auto repair software. I think the book anthony is referring to is magnetic speedometer repair by graham blighe. I repair most magnetic and governor speedometers, specialising in instruments dating from 1900 until 1970, also repair car clocks and other car gauges, please contact me for details. St202 gets deeper into the workings of the magnetic speedometer drive and ways to affect callibration changes there. It is a fix it your self book, and instruments can be calibrated on the bike or on an easy to build rig. The definitive guide to the repair and calibration of smiths magnetic ssm series speedometers and rsm tachometers. Magnetic and governor speedometer repair march 14, 2018 flannery speedometer repair, will be exhibiting at the national exhibition centre as part of the practical classics and restoration show. Call 803 6425030 to book an appointment or to hear more about the services of aiken auto electric.
Aiken auto electric located at 195 beaufort street northeast in aiken, sc services vehicles for ac and heating repair, electrical repair, speedometer repair. Parts books and workshop manual are a good source in identifying which ratio drive you need. Your motorcycle speedo cable or motorcycle tach cable will look and function the same as when your bike was new. When fitted from new, cars to which had nemag type of speedometers fitted. The speedometer unit and axle size will also give you clues of which drive and ratio your application may need. I ordered magnetic speedometer repair by graham blighe. All repairs can be made at zero cost with the usual hand tools. Some faults that are thought to be due to a malfunctioning speedometer are actually due to a problem with the cable running to the speedometer, or with the drive gear in the transmission. Everyday low prices and free delivery on eligible orders. The book also suggests that every 10,000 mile the inner cable is with drawn cleaned and degreased, then re greased sparingly with castrol l. I bought this book roughly a year ago from amazon i think it was, 79 pages with lots of photos about.
It gives full instructions, in every step of the way. Im interested in how it worked out for someone that used the info to fix their own tach speedo. Magnetic and governor speedometer repair home facebook. Smiths speedometer repair, smiths tachometer repair. Digital speedometer magnetic sensor setting youtube. Tachometer chronometric and magnetic smiths instrument catalog. Speedo repair book the book that you want is magnetic speedo repair, and it is the definitive guide to the repair and calibration of smiths ssm series speedos and rsm revcounters. Many instruments will only need cleaning but this book also shows how to repair a shattered magnet, replace the upper bearing and fix an aluminium disc turning on its spindle. Following is the story of what i did to my instruments. Speedometer rsm tachometer gauge repair kit bsa triumph smiths ssm magnetic, the kit comprises 3x special size washers, 3x special screws, 1x under. No specialist tools required, just a cycle computer. Magnetic speedometer repair by graham blighe paperback. New repainted dial, it will look the bees knees when put back together.
Smiths magnetic speedometer speedo repair tachometer. Nov 11, 2011 usually printed in 3 5 business days the definitive guide to the repair and calibration of smiths magnetic ssm series speedometers and rsm tachometers. A speedometer drive is a unit that is fitted onto your rear wheel axle sandwiches between the swing arm that counts the revolutions of your wheel then displayed on your speedometer inside the speedo drive there is a small worm gear in line with your speedo cable that is rotated by a drive ring usually has tabs on it that is then operated by. Though i was already fairly familiar with working on small mechanisms like this, the book probably. A book magnetic speedometer repair by mr blighe was very helpfull in this. Trip meter reset knob, smiths magnetic speedometer, bsa. The definitive guide to the repair and calibration of smiths magnetic ssm series. Speedo repair book the book that you want is magnetic speedo repair, and it is the definitive guide to the repair and calibration of smiths ssm series. The last 8 inches of the cable nearest the speedo head should be withdrawn and wiped clean. Magnetic speedometer repair perfect paperback january 1, 2009 by graham blighe author 5. Suitable for classic triumph, bsa, norton, ajs, matchless motorcycle models speedo parts also available. The definitive guide to the repair and calibration of smiths magnetic ssm speedometers and rsm tachometers fix it yourself and never have to pay or wait for repairs again. As the magnet rotates near the cup, the changing magnetic field produces eddy currents in the cup, which then produces another magnetic field. Magnetic speedometer repair is a book that shows you how.
Over smiths instrument cores for motorcycles in stock. Fixed my speedo with the aid of this book, excellent pix and a wealth of info. Smiths bsa speedometer cable, smiths bsa tachometer cable. Aiken auto electric 195 beaufort street northeast aiken, sc. How to fix a suzuki boulevard m50 or c50 speedometer. At vintage british cables we use authentic steel armor on cables that specify it. This is an important detail in motorcycle restoration as the cable is clearly visible. Smiths speedometer ssm400100a 1600 0120mph bsa a50 a65 ref b6b2. Im interested in how it worked out for someone that used the info to fix. Disassembly and inspection of a magnetic speedometer youtube.
Has anyone bought that book on repairing the magnetic speedometer. Details about smiths magnetic speedometer s peedo repair tachometer revcounter repair save. This book promises the definitive guide to the repair and calibration of smiths magnetic. Smiths motorcycle speedometer cable, smiths motorcycle. Magnetic and governor speedometer repair posts facebook. Instruments can be calibrated on bike or on an easy to build rig. Speedotach main page smiths magnetic tachometers and speedometers reference for triumph motorcycles. Fix it yourself and never have to pay or wait for repairs again.
How to open a speedometer, dismantling the speedo and. Please note that we specialise in smiths motorcycle instruments with magnetic type movements. Smiths speedometer gauge repair, smiths tachometer gauge repair, smiths chronometric gauge repair, smiths magnetic gauge repair. Smiths speedometer cable catalog, smiths speedo catalog. This manual covers mechanical jaegersmiths speedometers from the early. Dkmotork 0021 kmh motorcycle speedometer dual odometer gauge with led backlight neutral headlight turn signal indicator stainless 2.
We provide accurate replicas that are needed for concours quality restorations. After several wellknown repairers had told me that they only worked on chronometric type speedometers, i decided to buy the book called magnetic speedometer repair by author graham blighe and have a go myself. Smiths speedometer and tachometer repairs are covered by a one year warranty. Shop online for your veglia, smiths, chronometric, magnetic type speedometer. Please note that we specialise in smiths motorcycle. Magnetic and governor speedometer repair march 16, 2020 i have started a new facebook group for those interested in smiths magnetic and governor speedometers.
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