kickstart seized, wont bump start - Honda TRX Forums: Honda TRX 450R Forum
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post #1 of 26 (permalink) Old 06-30-2019, 03:10 PM Thread Starter
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kickstart seized, wont bump start

Hi guys, new to the forum. Recently bought a trx450r which I'm now experiencing problems with so looking for some help on the issue.

Was out earlier today and the quad started sputtering as if it was running out of fuel then completely died. Tried to kick start it and nothing so tried to bump start the quad a couple of times and the wheels locked each time. Got the quad home, now the kickstart wont move, stuck in the upright position. I have checked the oil filter and there is small particles of metal over the filter.
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post #2 of 26 (permalink) Old 06-30-2019, 05:15 PM
Making HP ainít free. . .
 
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Your crank is bad.

A simple search will net you thousands of posts on all information you will need. It’s not a cheap or real easy job to replace. I usually figure a little over $1000 in parts and you’ll need a few specialty tools to do the job yourself.
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post #3 of 26 (permalink) Old 06-30-2019, 07:14 PM
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post #4 of 26 (permalink) Old 06-30-2019, 09:01 PM Thread Starter
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Quote:
Originally Posted by hoser View Post
Your crank is bad.
Thanks for the reply hoser. I tried to upload a video but couldn't. The top end of the engine has been stripped down, shards of metal everywhere, lots of side to side play in the piston as well. Im gutted, I've owned the quad 2 weeks now and already having to repair it lol the Joy's.
I will be planning to do all or at least most of the repair myself if I can
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post #5 of 26 (permalink) Old 06-30-2019, 09:08 PM Thread Starter
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Welcome! That’s unfortunate.
Thanks Thrown Stones.
Very unfortunate. I've literally owned the thing since the 16th of June and already having to strip it down and rebuild it, didn't expect to be spending money this soon on it.
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post #6 of 26 (permalink) Old 07-01-2019, 06:49 AM
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What year is the quad?

As I'm sure you are aware, unknown issue can arise when buying used. The good news is, once rebuilt, you'll know what was done and done right. Good luck.
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post #7 of 26 (permalink) Old 07-01-2019, 07:09 AM Thread Starter
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Originally Posted by Thrown Stones View Post
What year is the quad?

As I'm sure you are aware, unknown issue can arise when buying used. The good news is, once rebuilt, you'll know what was done and done right. Good luck.
Hi Thrown Stones, thanks for your reply.

The quad is a 2005 model. Iím fully aware, no guarantees. There was a couple of issues when I bought it which I knew about and was fine with before buying. The hot start was One of the issues. Stripped the carb to find that the pin had seized inside so will need to attempt fixing that while the engine is out.
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File Type: jpg F6A16AF2-6DDF-4376-AF58-DD0724A7E5BC.jpg (280.1 KB, 16 views)
File Type: jpg 1EB31BDA-EB72-48E1-A74B-A2FDB55AD2CE.jpg (70.8 KB, 15 views)
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post #8 of 26 (permalink) Old 07-01-2019, 07:49 PM
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gold flakes, those are the bronze bushings on the crank. time for a rebuild.

-2004 450R. Far From Stock.. Sold, crank was going
-2006 450R. New WHIP..
-Do it right the first time, and you wont have a problem later. Being cheap or taking the easy way out only makes matters worse later.
-Your Backyard Mechanic Extraordinaire: Responsible for bringing you redneck, ingenious and often interesting ways how to fix things.
-You can watch things happen, you can make things happen, or you can wonder what the H*ll happened. Captain Phil Harris
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post #9 of 26 (permalink) Old 07-01-2019, 10:42 PM
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That thing is in bad shape. And that cam doesn’t look good either, I’d be replacing that if it were my bike.
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post #10 of 26 (permalink) Old 07-02-2019, 01:33 AM Thread Starter
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Once I've got it stripped down completely I'll be going over everything and cleaning the entire engine out. Not got money to throw at it just now so it will have to sit for a while until I pay more important things.
Engine oil was a mess as well. Dont think the bike has been serviced or maintained in a long time. Apparently the quad sat for the best part of 2 years and got used 2 or 3 times in that time.
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File Type: jpg 3D79D37D-AA1A-44DD-AAA5-F1D42980D149.jpg (264.4 KB, 10 views)

Last edited by dolanm56; 07-02-2019 at 02:16 AM. Reason: To upload photo
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post #11 of 26 (permalink) Old 07-02-2019, 02:02 AM Thread Starter
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post #12 of 26 (permalink) Old 07-02-2019, 06:41 AM
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yep the gold oil is a dead giveaway sadly. on a positive note, rebuild it into what you want and you know its good then. make sure when replacing the crank you use the honda bearings. DO NOT use the hotrods bearings as they can and will fail
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-2004 450R. Far From Stock.. Sold, crank was going
-2006 450R. New WHIP..
-Do it right the first time, and you wont have a problem later. Being cheap or taking the easy way out only makes matters worse later.
-Your Backyard Mechanic Extraordinaire: Responsible for bringing you redneck, ingenious and often interesting ways how to fix things.
-You can watch things happen, you can make things happen, or you can wonder what the H*ll happened. Captain Phil Harris
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post #13 of 26 (permalink) Old 07-02-2019, 12:31 PM Thread Starter
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Thanks for all the replies guys. Going to strip the full engine down over the weekend and see what's what.
Are the silver flakes shown in the pics above most likely from the crank as well as I'm dreading to think it's something more sinister.
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post #14 of 26 (permalink) Old 07-02-2019, 10:59 PM
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All the flakes are from the thrust washers on the big end of the crank.
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post #15 of 26 (permalink) Old 07-03-2019, 04:52 AM Thread Starter
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Thanks hoser. That's a relief.

The engine will be getting stripped down completely tonight now.
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