BTH M1 MAGNETO / CROSSLEY 1030
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BTH M1 MAGNETO / CROSSLEY 1030
Afternoon.
Plodding on with my Crossley 1030 overhaul. I have no spark. Tried the basics of cleaning points/plug, remaking plug lead connections etc. Mag now removed from engine and its clear its had a tough life judging by the tired look to many of the screw heads etc.
Is there a basic observers book of “what to look for” for the novice magneto stripper ? Had the points and backplate off, all seems clean/dry. Can’t see a condenser anywhere though ?
Any guidance appreciated
Terry
Plodding on with my Crossley 1030 overhaul. I have no spark. Tried the basics of cleaning points/plug, remaking plug lead connections etc. Mag now removed from engine and its clear its had a tough life judging by the tired look to many of the screw heads etc.
Is there a basic observers book of “what to look for” for the novice magneto stripper ? Had the points and backplate off, all seems clean/dry. Can’t see a condenser anywhere though ?
Any guidance appreciated
Terry
Waggers- Born to be wild
- Posts : 12
Join date : 2021-03-13
Re: BTH M1 MAGNETO / CROSSLEY 1030
My first port of call would be to check resistance between HT terminal and earth - open circuit indicates a break. Never had an M1 so cannot offer anything further but for a few quid you can get a manual here.
https://www.nationalmotorcyclemuseum.co.uk/product/bth-magneto-1931-instruction-manual-for-magnetos-types-m1-m2-mc1-and-mc2-croft2733/
https://www.nationalmotorcyclemuseum.co.uk/product/bth-magneto-1931-instruction-manual-for-magnetos-types-m1-m2-mc1-and-mc2-croft2733/
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Regards Paul
Tha can alus tell a Yorkshireman - but tha can't tell him much.
Woodsman- Admin
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Age : 73
Location : God's own county
Re: BTH M1 MAGNETO / CROSSLEY 1030
Thanks. I will try the resistance test first.
Waggers- Born to be wild
- Posts : 12
Join date : 2021-03-13
Re: BTH M1 MAGNETO / CROSSLEY 1030
The condenser is inside the armature on the BTH M1.
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blue cat
blue cat- Life Member
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Join date : 2013-10-10
Re: BTH M1 MAGNETO / CROSSLEY 1030
Ah. Is it something i can get at and replace easily as i have it partially stripped ?
Thanks
Thanks
Waggers- Born to be wild
- Posts : 12
Join date : 2021-03-13
Re: BTH M1 MAGNETO / CROSSLEY 1030
[quote="Waggers"]Ah. Is it something i can get at and replace easily as i have it partially stripped ?
Thanks [/quote]
Nope. I am fairly sure it's a rewind job.
Thanks [/quote]
Nope. I am fairly sure it's a rewind job.
Appletop- Life Member
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Join date : 2010-01-02
Age : 56
Location : Just outside Diss
Panic over
Checked for open circuit between pick up and earth and tested OK. Messed with position of points on the spindle, turned through 180 degrees, hey presto, i have a spark. ! I have ordered the manual from the National M/C museum which hopefully will tell me how to set it up properly. The mag was still attached to the engine but flopping about as bolts loose when I got it. Timing marks on both sprockets were not lined up so hence my initial concerns
My thanks to the responders on my query, most helpful
My thanks to the responders on my query, most helpful
Waggers- Born to be wild
- Posts : 12
Join date : 2021-03-13
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