Vintage Dirt Bike Q & A

The closest Honda dealer wants $80 for it. I suppose with shipping it will be about that online tho'.

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-----1975 Honda MR175--------------------------------------1972 Suzuki T500 Titan------------------2003 Honda 250 Rebel

Yamaha XS850
Triumph Bonneville 650

I think Babbitt's was about $66 plus shipping. You could also try eBay - these coils come up fairly often, but used and in unknown condition, of course.

Ray

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'74 CR125M (175cc), '75 MR175, '82 RM250Z, '08 YZ250F, '14 Zero FX electric, '14 Zero MX electric, '18 Alta MXR electric

Babbit's wanted like $17 shipping I think... I believe I'll go with the Honda dealer, and support local business

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-----1975 Honda MR175--------------------------------------1972 Suzuki T500 Titan------------------2003 Honda 250 Rebel

Yamaha XS850
Triumph Bonneville 650

Ok I have another question... when I google the part number for the coil, it comes up with the MT125 coil as the same part number. I was wondering, is the condenser on the MT125 the same as the MR? since I can buy it seperete from the coil for alot cheaper.

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-----1975 Honda MR175--------------------------------------1972 Suzuki T500 Titan------------------2003 Honda 250 Rebel

Yamaha XS850
Triumph Bonneville 650

Jesse,

I'm almost positive the coil assembly comes with the condensor, so you won't need to buy it separately. I can't find a part number for the condensor, so it seems it's not available by itself anyway.

Ray

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'74 CR125M (175cc), '75 MR175, '82 RM250Z, '08 YZ250F, '14 Zero FX electric, '14 Zero MX electric, '18 Alta MXR electric

Ray

I meant the MT125 condenser I wanted to buy it seperate in case it's the only thing bad... saves me $$$ unless the coil is bad to. What I wanted to know is if the MT125's condenser is the same as the MR175's?

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-----1975 Honda MR175--------------------------------------1972 Suzuki T500 Titan------------------2003 Honda 250 Rebel

Yamaha XS850
Triumph Bonneville 650

Jesse,

I believe it's the same condensor, since the coil assemblies (including condensors) are the same for the MR175 and MT125.

Are you absolutely sure the coil and/or condensor are bad? My MR175 coil reads about 1.5 ohms from the black-white input wire to the coil case, and about 10,000 ohms from the case to the plug cap terminal. If your coil reads the same, I wouldn't replace it. I also read around 800 picofarads (pF) capacitance across the black/white wire and plug cap, which is the condensor in parallel with the coil input winding; if you read something completely different, it's possible your condensor is bad.

Just FYI - condensors have been called 'capacitors' just about everywhere since the 1950's, except in Japanese motorcycle parts lists.

Ray

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'74 CR125M (175cc), '75 MR175, '82 RM250Z, '08 YZ250F, '14 Zero FX electric, '14 Zero MX electric, '18 Alta MXR electric

Went into the Honda dealer and ordered the coil yesterday, about $81. they said it would be in wednesday

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-----1975 Honda MR175--------------------------------------1972 Suzuki T500 Titan------------------2003 Honda 250 Rebel

Yamaha XS850
Triumph Bonneville 650

Well it took an extra week for the coil to ship coming from Cali, but it finally got here today. I put it on the bike, and after messing around with the wiring (hooked up green and black w/ wight stripe wire's, as I don't have kill switch yet) I got a nice shock when i held spark plug and kicked. now I have to find some kind of kill switch, and put gas tank and seat back on, fill it up, and see if it starts!

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-----1975 Honda MR175--------------------------------------1972 Suzuki T500 Titan------------------2003 Honda 250 Rebel

Yamaha XS850
Triumph Bonneville 650