riser

Hello All, The hatch riser arms on my 1978 36C won't hold the hatches open any longer. I'm looking to repair (preferably) or replace the risers. Does anyone have information on who made the originals? Any source or recommendations on replacements? Thanks, Joe

At the time of purchase my E28 (Universal M12) had the raw water line that leads to the exhaust riser in the vertical position (green hose). Can anyone think of any harm that would be done by rotating the hose fitting 90* so that the water drained away from the riser? Thanks in advance, Frank

Sorry if this has been asked, I could not find it. My engine noise is louder than in previous years. This only occurs at idle. With an increase in rpms there is little noise. Could it be that the exhaust riser arm is becoming clogged where the water comes in but with increased rpms more water...

On the top of my exhaust riser there is a small plug similar to the plug that holds the zinc in the heat exchanger. There is also a larger plug on the port side of the riser at the bottom near the exhaust flange. What are the purpose of these plugs?

I have an E-32 III with a Universal M-25XP engine. The original exhaust elbow riser started showing rust spots on either side of the elbow indicating that it was failing. The metal was rusting out at both spots so I figured it was time to replace the unit. I contacted Torrensen Marine, via...

Just found a exhaust leak in the exhaust riser on my atomic 4. I'm replacing the black iron pipe riser and trying to order parts. I forgot to measure the nipple length. Anyone who has cobbled up a pipe riser remember how long the straight pipe nipple is? 4 6 or 8 inches????:rolleyes: ( I'm...

I have a 1970 E29T that originally had an atomic 4. Has anyone had to replace/rebuild the copper (bronze?) water jacketed exhaust riser? If so, what did you use?