Eagle mike piston kit installation - Page 2 - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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post #11 of 13 Old 08-16-2019, 10:10 PM
OverDrive
 
Join Date: Nov 2009
Location: Lander, Wyoming
Posts: 5,434
The cylinder head camshaft bearings look surprising great , with the minor exception of the radial scar on the RH intake journal. Amazing, considering your 1st post about Only 600ml of engine oil left.

But now your mechanic needs to remove the cylinder & piston and using a dial indicator, measure the Vertical Movement of the bottom rod bearing, in search of your knocking noise.

Have you read anything about the doo-hickey? ie the Engine Balancer chain Adjusting Lock Lever and spring system.

pdwestman
Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 84,000+ miles & counting
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post #12 of 13 Old 08-17-2019, 01:26 PM Thread Starter
Neutral
 
Join Date: Aug 2019
Location: Guatemala
Posts: 5
im in the process of buying a doohickey replacemente kit, so far i know, it does work at up to 50 k miles, and the clock says the bike has just 19k, so i guess i still have some time.

Anyways since i bought it 10 months ago i just put 3k miles on the clock, its about 300 per month.

My mechanic took the cylinder heads to the machining shop, they told him that they could repair it, they measure the piston, and disassembled the valves, and said that my valves needed to be replaced but that they could still use the same piston and rings because they are pretty much new( i guess thats what the previous owner did to the bike).

So, they will put a new sleeve in the cylinder that fits the piston( this one will be fabricated by them) install new valves, and fit everything in.

They are asking me 200 $, plus my mechanics paid. I can estimate it will be something close to the 300$ ( by the way, we do have really low fees when talking about mechanical services)

Id like to know what do you guys think about it
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post #13 of 13 Old 08-17-2019, 03:26 PM
OverDrive
 
Join Date: Nov 2009
Location: Lander, Wyoming
Posts: 5,434
Personally, I'd rather over-bore & hone the existing cylinder sleeve to the 100.50 mm size than to replace the cylinder sleeve and have a chance that they damage the o-ring seals between the sleeve & the water jacket and create a coolant leak Into your engine oil.

Many Gen 1 oem doo-hickey & springs have been know to fail much earlier than 50 k miles. Some of those failures may have been caused by failure to rotate the engine in proper direction of rotation to TDC before attempting to allow the system to adjust. Thus adding slack to the chain system rather than reducing chain slack.

pdwestman
Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 84,000+ miles & counting
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engine replacement, engine upgrade, oil user, piston kit, suspension mods

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