07 trx450er - Honda TRX Forums: Honda TRX 450R Forum
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post #1 of 6 (permalink) Old 06-05-2019, 04:14 PM Thread Starter
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07 trx450er

Hello. I adjusted the valves on my 07 trx450er last year and it ran really good. I shut it off and it was turning over really hard. Only had about 1 1/2 hours on it. I'm new to working on it myself. Any advice would be greatly appreciated. Thanks
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post #2 of 6 (permalink) Old 06-06-2019, 02:37 PM
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So you are asking what could be making it turn over slow? You've only rode it 1 1/2 in a year? Sure battery has a good charge to it?

04 450r
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post #3 of 6 (permalink) Old 06-06-2019, 06:35 PM Thread Starter
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Sorry... Yes I am asking if anyone had this problem. I dont want to pay someone $120+ per hour to drag their feet working on my quad. And yes I only rode it about 1 1/2 hours. I dont have much time to do fun things. So I did buy a new battery but it still turns over hard and slow. Ran great then the next time I tried to start it this happened. It reminds me of when you have the distributor turned to far in a car. If that helps lol.
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post #4 of 6 (permalink) Old 06-07-2019, 05:44 PM
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You say it turns over slow. Does in start and run?
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post #5 of 6 (permalink) Old 06-10-2019, 03:56 AM
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Check the decompression adjustment. Valves have to be shimmed before you set decompression and the best way to do it is with a compression gauge and the valve cover off. 60-65 psi is the sweet spot.
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post #6 of 6 (permalink) Old 07-25-2019, 02:35 PM Thread Starter
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Thank you for the help. I've been super busy lately. This is why I don't ride much lol. Ok so I took it to a local shop that said they work on honda. I told them what it was doing. They had it for 2 days and called and said it was done. I asked what they did they said they cleaned the carb.... $200. I said that's it?!?!? They said yep. Got it home ran like crap. I was so angry. So I decided to tear it apart. Carb was dirty... So they charged me for nothing. The valves did need adjusted and the decompression adjustment was way off. I was away for a while so now I just have to put it back together. What do you think of trading my 07 trx450er for a 1986 trx250r? Is it worth it? I always wanted one but never got it. I can trade for the 250r or a quadzilla 500. Opinions are greatly appreciated
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