Does a 1992 Miata have a short nose crank?
If your Miata is a 1992 or newer, forget this article. If your Miata is a 1990 or 1991 with VIN 209446 or less, you have a crankshaft with a smaller diameter nose. (Note: according to Mazda, the European spec MX-5 breakpoint is at 127442.) The pulley bolt shoulder diameter is 1.128 inches.
How do you remove the crank pulley on a Miata?
The crank pulley is removed by first re- moving the four 10mm-head (M6 size) bolts surrounding the large 21mm-head bolt on the inside of the crank pulley. You do NOT need to remove the center bolt first on any 90-05 Miatas. Trust us. The crank pulley should easily pull off once those four bolts have been removed.
What is the rarest mx5?
1 – Jasper Conran platinum edition Rare, rare, rare – three words used to describe the Jasper Conran Platinum edition. With only 58 licensed on British roads this silver mk2 MX-5 takes the top spot as the rarest (bar the Le Mans) MX-5 on UK roads.
How big is the crankshaft on a Mazda Miata?
If you’d like, verify the stronger crankshaft and larger bolt are fitted by measuring the bolt shoulder diameter to be 1.455 inches. If your Miata is a 1990 or 1991 with VIN 209446 or less, you have a crankshaft with a smaller diameter nose. (Note: according to Mazda, the European spec MX-5 breakpoint is at 127442.)…
What happens if the crankshaft nose breaks off a Miata?
If the crankshaft nose breaks off, this is easy for a mechanic to diagnose. The car will not run and the mechanic finds the pulley assembly laying on the lower splash shield. In all examples, repair is the same; replace the crankshaft. I CAN HAVE A PROBLEM WITHOUT NOTICING?
How big is the pulley bolt on a Mazda Miata?
If your Miata is a 1990 or 1991 with VIN 209446 or less, you have a crankshaft with a smaller diameter nose. (Note: according to Mazda, the European spec MX-5 breakpoint is at 127442.) The pulley bolt shoulder diameter is 1.128 inches.
Where to put the crankshaft key on a Miata?
If the tip of the crankshaft is closer to 1/2 inch back in there, you have the dreaded short nose part. Withdraw the key with needle nose pliers. Make note of the chamfered corner, it should be on the back of the key and face toward the crankshaft. The key should not be bent, deformed, or mooshed.
If you’d like, verify the stronger crankshaft and larger bolt are fitted by measuring the bolt shoulder diameter to be 1.455 inches. If your Miata is a 1990 or 1991 with VIN 209446 or less, you have a crankshaft with a smaller diameter nose. (Note: according to Mazda, the European spec MX-5 breakpoint is at 127442.)…
If the crankshaft nose breaks off, this is easy for a mechanic to diagnose. The car will not run and the mechanic finds the pulley assembly laying on the lower splash shield. In all examples, repair is the same; replace the crankshaft. I CAN HAVE A PROBLEM WITHOUT NOTICING?
If your Miata is a 1990 or 1991 with VIN 209446 or less, you have a crankshaft with a smaller diameter nose. (Note: according to Mazda, the European spec MX-5 breakpoint is at 127442.) The pulley bolt shoulder diameter is 1.128 inches.
If the tip of the crankshaft is closer to 1/2 inch back in there, you have the dreaded short nose part. Withdraw the key with needle nose pliers. Make note of the chamfered corner, it should be on the back of the key and face toward the crankshaft. The key should not be bent, deformed, or mooshed.