Print Page - Flywheel timing marks Bosch 1971

Title: Flywheel timing marks Bosch 1971
Post by: t20sl on February 25, 2007, 06:28:33 PM

Has anyone ever run into flywheels with no timing marks on the Bosch points ignitions?

Title: Flywheel timing marks Bosch 1971
Post by: Doug Wilford on February 25, 2007, 06:48:37 PM

Replacement Flywheels that were not used in production sometimes were not marked.

Title: Flywheel timing marks Bosch 1971
Post by: t20sl on February 26, 2007, 06:14:55 AM

Thanks Doug.

Title: Flywheel timing marks Bosch 1971
Post by: thrownchain on February 26, 2007, 06:25:48 PM

Set the timing with a dial indicator and then set up some marks of your own. Then you know it's spot on.[^]

Title: Flywheel timing marks Bosch 1971
Post by: john durrill on February 27, 2007, 08:48:17 AM

t20sl,
If you have never done this before maybe this will be helpfull
To find TDC you need to make a mark with a felt pen at some measurement before the dial indicator shows TDC. Use some thing Like.020 . Then go through TDC and make another mark at .020 after TDC indicated. Half way inbetween is TDC. The flywheel will rotate some after you first see the needle stop . Enought to throw off you second mark for firing.
Hope this is some help,
John D.

Penton Owners Group

General Discussion => Penton Talk => Topic started by: t20sl on February 25, 2007, 06:28:33 PM