The J/109 Class Association Forum

You can do the tensioning using levers and tension, but it is easier with the belt buddy.

If you have a 3GM as I think you do, this is the standard kit: https://shop.pkys.com/Balmar-48-YSP-3GM-A-Pulley-Kit-for-Yanmar-3GM30_p_4809.html

It all depends on whether you have the stock alternator and ...

This from the Edson website.

ComfortGrip Leather Wheel Rim Cover - 42"-60" Dia. (Gray)

The inspection checklist has been updated for the 2025 North American Championship. The following changes were made from 2024.

1. The list has been reordered to make the process easier, starting topside working from the stern to the bow, then below deck factory installed items, followed by ...

Jerry,

I had a similar problem and found the water source to be where bedding compound had broken down where the stainless pedestal guard was bolted through the pedestal. To find the leak I suggest having a person crawling below while the other sprays a pressure washer to hit all items that ...

The measurement tools used to verify that the Bowsprit length and Lifeline deflection are compliant with class rules are shown here, along with instructions on how the tools are used.

Bowsprit Measurement Tool
Bowsprit measurement was added to the measurement checklist when it was determined that ...

Charlie,

I see no reason why this would not be class legal but will ask the technical committee to review and provide a formal response. I have no experience with the application or longevity but have seen boats that used Soft-Deck. It looked good , had a good grip and was comfortable to walk on.

You can replace the seals if you have some mechanical ability, or a hydraulic shop can do it. Way less expensive than a replacement unit.

There are two Sailtec documents to help with the rebuild posted on the Drawings & Manuals page at this link: https://j109.org/info/drawings-manuals/

It's a rubber snubber so the stop is dampened and not a hard stop when the rudder is forced over hard.

That is the rudder stop that limits the rotation. There should be one on port and stbd side.

You won't have the magnetic sensor. Use the stator output from the alternator. That is what the tachometer in your engine panel is made for. Was the MC-614 installed as a replacement for the original voltage regulator? If so, whoever installed it did not do a proper connection. I installed an MC-618 ...

What model regulator is it?

The Tach gets input from the stator so it can count zero crossings as pulses which are directly proportional to the engine rpm. Some regulators condition the output tor the tachometer so the Tach is connected to the appropriate terminal on the regulator instead.

I have ...

Try and rotate the flange to break the seal.

See figure 15 on page 19 of the parts catalog. I would use a wooden block and hammer on the edge of the bonnet inlet to try and break it loose.

I had a custom color mixed by Mini-craft of Florida that matched very well. You enter the Hull ID number and they can mix it.
https://minicraft.com/store/Piranha-Gel-Coat-p138783796

This post by the Class Measurer provides information for allowable sailcloth that may be used for class legal spinnakers. Class rules control the allowable material and require a minimum cloth weight of 40 grams per square meter. It should be noted that only Nylon is allowable, Polyester is not ...