Problem with Diana 240 Classic

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Toyhunter

Post subject: Problem with Diana 240 Classic

Posted: Wed Jan 24, 2024 11:20 am

Joined: Tue May 02, 2023 6:45 pm
Posts: 6

I have a Diana 240 Classic that would shoot tight groups of just over 1/4" at 10 yards. Recently it stared messing up. My shotgun would give a better group.
I have tried 3 different scopes. It's not that.
I have pulled it apart and checked the piston and cleaned and lubed it properly.
I have cleaned the barrel.
Can't figure out what is going on.

Anyone got any other ideas?

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Ace

Post subject: Re: Problem with Diana 240 Classic

Posted: Wed Jan 24, 2024 1:01 pm

Joined: Mon Feb 11, 2013 12:46 am
Posts: 5715

first thing do you have a chrony or access to one ?
its a must to determine if your at least shooting a pretty
consistent shot cycle +/- once you have determined its not
an internal issue you can move forward with your trouble shooting :wink:

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"A candle loses nothing by lighting another candle"

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Knappr

Post subject: Re: Problem with Diana 240 Classic

Posted: Wed Jan 24, 2024 1:34 pm

Joined: Fri Jul 16, 2010 4:09 pm
Posts: 1249
Location: Southern Ontario, Canada

Did this happen after your barrel cleaning? And what and how do you clean your barrel? I’ve lost accuracy after cleaning but usually comes back fairly quick once the barrel gets re-seasoned.

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Toyhunter

Post subject: Re: Problem with Diana 240 Classic

Posted: Wed Jan 24, 2024 3:53 pm

Joined: Tue May 02, 2023 6:45 pm
Posts: 6

Just practicing and then started getting flyers. Tried everything I know to try to correct it. I have $75.00 air rifles that shoot better.
Trying to get replacement seals from Blue Line Solutions.

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