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tight starter
Moderators: KeithZ1R, chrisu, paul doran, Taffus
tight starter
Recently when i started my A2 sounds like the starters still spinning for a few seconds after the engine started (ralph first noticed it the other night) took it all apart today couldnt find nothing wrong but when i torqued up the rotor bolt the large cog on the end of the crank feels like its binding when you spin it backwards.
Making the world a shiny place with a factory finish
Mikey, there are only two things that usually go mechanically wrong with this starter mechanism.
1. The three cylindrical bearings become worn and lose there ability to drive. Also, the mating bearing face becomes worn.
2. The seal (oil slinger/ damper) behind the larger gearwheel is not correct. These come in three sizes. I have skimmed them down to fit, however, they are designed to just cause a drag on the gear wheel. and stop it rattling. Check the the two phophor bronze bearings are correctly placed. Test the lock up without the woodruf key first, to ensure it is correct on taper.
RegardZ.
1. The three cylindrical bearings become worn and lose there ability to drive. Also, the mating bearing face becomes worn.
2. The seal (oil slinger/ damper) behind the larger gearwheel is not correct. These come in three sizes. I have skimmed them down to fit, however, they are designed to just cause a drag on the gear wheel. and stop it rattling. Check the the two phophor bronze bearings are correctly placed. Test the lock up without the woodruf key first, to ensure it is correct on taper.
RegardZ.
Garn (Sydney) Z1, Z1A, Z1B and Z900-A4
Thanks garn its just started doing this so i would say the seal you mention is correct as i havent changed it, and as per the clymer and haynes
manuals it all looks assembled correctly but i did notice the area that the rollers run in is a but rough

Making the world a shiny place with a factory finish
- RALPHARAMA
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Nah, it was the damper jobby. It was just a bit too tight. I think a jump to another size would have been too much, so I just fettled it down a bit on Mikey's missus's kitchen work top ( the only available flat surface - she only complained bitterly for a little while until she realised she was out number by oily gits) with some aluminium oxide paper using the figure of eight method. I should have preferred to have been a bit more scientific using accurate measurement and my centre lathe, but the best Mikey had to offer was a rusty steel rule and some emery paper ... still it worked!
Mikey's missus kept the tea flowing at the correct intervals - constant
Still Mikey's Zed will soon be in my workshop where I will ensure she is ready for the expedition to see if there is intelligent life in the far north 
Mikey's missus kept the tea flowing at the correct intervals - constant


Ralph Ferrand
Z1000A1 (1977), Z1300A5 (1983), Z900A4 (1976) GPZ1100 Unitrak (1983)(project), RD250B (1975)(project), ZRX1200R (2005) DT175MX (1981) YZF R6 (1999)
http://www.bikerstoolbox.co.uk
Z1000A1 (1977), Z1300A5 (1983), Z900A4 (1976) GPZ1100 Unitrak (1983)(project), RD250B (1975)(project), ZRX1200R (2005) DT175MX (1981) YZF R6 (1999)
http://www.bikerstoolbox.co.uk
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