PENTON RACING PRODUCTS INC.
44875 North Ridge Rd.
Amherst, OH 44001
Penton Racing Products, Inc. distributes its products through any established motor sports business. Have your local motor sports business contact us for price and ordering information.
Mon-Fri 8am - 5pm
Troubleshooting Your PVL Ignition
Penton Racing Products maintains a testing and reconditioning facility for PVL, MZ-B, and Motoplat ignitions. Our testing and reconditioning service, and the return shipment, takes place within a few days after we receive the units in our shop. We offer same day testing for an additional fee of $10.00. When sending in components for diagnosis testing, be sure your return address is both on the box and inside on your letterhead, along with any special shipping instructions. Tested units will be shipped back to you via UPS, which requires a street address, not a Post Office box address. Specify if you want the unit tested only, or tested and faulty parts replaced. Providing that you supply us with a daytime phone number, we can, at your request call you with the testing results. Faulty parts that have been replaced with new parts are returned only upon request. We are not responsible for any loss of small parts that are not needed for testing such as mounting plates, screws, wire grommets, etc.
Most PVL components can be resistance tested. Use a digital Ohm Meter, not an Analog Meter as it is not specific enough. If you can input range into your meter, set it higher than the highest reading should be.
Stator Test: Insert either probe into either wire end. For digital stators, using your fingernail, lift the small yellow clip out to insert probe. Resistance readings below, or well above the recommended ranges indicate that the unit is bad. Running units that test slightly higher than the high end of the recommended range can be considered good
# Printed on Part
Description of PVL Component
# of Windings
1050 Stator, Analog 47.5 – 52.5 1850
1051 Stator, Analog 47.5 – 52.5 1850
1058 Stator, Analog 162.45 -179.55 4000
1061 Stator, Analog 162.45 -179.55 4000
1064 Stator, Analog 47.5 - 52.5 1850
1067 Stator, Analog 172.19 - 191.9 4250
1068 ( Test between 84 to 87 Ohm?? May or may not work in this range) 84.55 - 93.45 3000
1086 (Test between 84 to 87 Ohm?? May or may not work in this range) 84.55 - 93.45 3000
1089 Stator, RZ & RD/TZ – Potted, Analog 207.00 - 253.00 4000
1094 Stator Coil & Fields, Analog 162.45 - 179.55 4000
1095 Tape Wrapped Windings Stator, Twin Cylinder Engines, Analog 216.6 - 239.4 5000
1097 Tape Wrapped Windings Stator, Single Cylinder Engines Analog 207.00 - 253.00 5000
1429 Stator, Analog 207.00 - 253.00 5000
1013, 1032 Digital Stators; Using fingernail, lift small yellow clip out of wire end connectors, remove& insert probe. 84.55 - 93.45 3000
4661000000 Coil; Do not test through spark plug cap! Test between blue coil wire and spark plug wire. 4.8k-5.1k
356102 Coil, Dual Lead (Test between spark plug wires) 9.8k-9.9k
4662000000 Analog CDI Module Send in for dyno testing
105465 PVL Coi/CDl Combination Piece for Motoplat Ignitions Send in for dyno testing
105458 Coil/CDI Combination Send in for dyno testing
4642000029 Digital CDI Module Send in for dyno testing
537202 Digital CDI Module Send in for dyno testing
537200 Digital CDI Module Send in for dyno testing
Motoplat ignitions consist of both circuitry and wound wire, and therefore resistance testing is not accurate. We test Motoplat ignitions on a Motoplat Dynomometer which performs function tests to measure the output voltage, wave pattern and spark strengths. Rotors/flywheels are remagnetized as part of the testing process. The lower magneto is tested at room temperature. If the unit tests good, it is then heated and tested again. Parts that test bad are not repairable, and so would need to be replaced with new parts. The manufacture of Motoplat ignitions ceased in 1993, and few replacement parts are available now. When you suspect that your Motoplat Ignition is not functioning properly, there are a few procedures which should be followed before sending it to us. First, check to see that all mechanical grounds are solid and rust free. Corrosion and rust can cause a deterioration of the ground circuit and in time destroy the ignition. These grounds include: (1) coil to frame; (2) engine to frame; (3) mounting plate to engine cases; and (4) stator to mounting plate. Also, while less thought about, but still part of the grounding circuit for spark is the path of current from the engine cases, through the cylinder base and head studs, to the spark plug. If these are allowed to get rusty and corroded, it can affect the ignition’s operation.