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Messages - johnmac

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Classifieds / Re: 2017 Sherco 300 SEF Factory Edition $4600.00
« on: May 13, 2020, 07:06:51 PM »

Classifieds / 2017 Sherco 300 SEF Factory Edition $4600.00
« on: May 09, 2020, 02:57:25 PM »
2017 Sherco 300 SEF Factory Edition.
AXP radiator braces.
Bullet Proof rear disc guard.
TM chain guide.
WPS Fire Power lithium battery.
IROD silicone radiator hoses.
Spark arrestor insert.
Front forks Protune Home Brew kit.
Factory installed fan.
Air box wash cover.
Three spare air filters.
96 hrs 1442 miles
I have better detailed pictures available that can be sent.
Location Portland, Tennessee.
John 615 812 6838

General Discussion / Sherco Offroad Support
« on: November 28, 2016, 06:39:59 PM »
In my opinion Sherco is having alot good things happening in the US. For one they have a distributor that supports the dirt bike community. They stand behind what they sell and try to make it correct when something goes wrong. When  you have question or need a part Sherco Offroad is there to help. I have owned my bike for two  years and it will be my next bike and no nothing has gone wrong. Enough of the head swelling. "Let's Ride"!

General Discussion / Re: Congrats on MSXC award
« on: August 08, 2016, 03:41:19 PM »
I forgot to add he rides a Sherco 300 SEF. It is always good to hear of other Sherco racers results.  I don't consider it bragging to share your results and show this bike is not a trail bike out of the crate.

General Discussion / Congrats on MSXC award
« on: August 07, 2016, 05:28:05 PM »
Congratulations to Jeff A on his award, 2nd in 45 A and top 20 overall in MSXC Series. Do you want to thank your sponsors? Rhino Power, Hammar Nutrition and Geritol.

Sherco Tech / Re: Water Pump Seal Keeps Leaking
« on: September 24, 2015, 05:20:25 PM »
Thanks for the reply Weantight. Replaced both seals and inspected the new shaft and original bearing  all seemed good. The seals were installed correctly previously with the springs facing you or the flats facing each other. Gonna ride it and see where it takes me. A little hint for those who do this in the future. When you remove the brake pedal to remove the clutch cover remove the brake lever tip. You can't fish it out unless you remove the tip.

Sherco Tech / Water Pump Seal Keeps Leaking
« on: September 23, 2015, 05:52:08 PM »
I have a 2014 300 SEFR water pump  seal that keeps leaking out the weep hole. I have replaced the front  and internal seal with the new style shaft. Checked the bearing while I had it out and found no radial play.  I drained the oil and had no water. I installed the front seal with the spring facing out and replaced the inner seal in the orientation it was found. Can anyone help with a the following questions
1. The manual is vague on the internal seal and the picture in the manual is not good enough so I assume the spring should be facing you during installation. What is the correct orientation?
2. The leak is not immediate. I rode it around 5 hrs before the leak began again. Is the seal breaking down due to heat or lack lubrication?
3. Has anyone had this problem and resolved with a different coolant. Currently using 50/50 antifreeze.
4. If you do not have water in the oil is it safe to change the outer impeller seal?
The bike has not gotten hot or boiled over. During the last race the clutch was slipping during heavy acceleration in fourth gear and up. My only guess is the clutch is heating up causing the case to get hot and creating the leak. Using a Rekluse.
Thanks for any feedback.

Sherco Tech / Re: New Tech Section
« on: August 10, 2015, 05:36:14 PM »
Great idea. Boom Boom

General Discussion / Sherco Off Road Parts and Support
« on: July 11, 2015, 09:29:22 PM »
For anyone on the bubble about purchasing a Sherco in the States and concerned with support and parts I wanted to share my recent experience with a bike problem. My 2014 SEF-R was having a strange electrical problem that I could not figure out. I took the bike to the Dave and Clay and within 24 hours they had solved my problem and had me back riding again. So if your concerned about parts they stock what you need and can get it to you. They support what they sell and they will make things right. Understand todays off road motorcycle’s have so much electronics in them failure happens. We have to learn from each other and help each other out being a small brand. Sherco Off Road does this. I even got a message a few weeks later asking if everything is working ok. I felt kind of important.

General Discussion / Re: Finding TDC
« on: April 28, 2015, 05:44:04 PM »
Gibbsie the left chain guide is the 8mm bolt you access from outside the engine.  If you need a pic let me know and yes you can access the piston without taking engine out of the frame. If the camshafts are not in time per manual I would be concerned.

General Discussion / Re: Finding TDC
« on: April 23, 2015, 05:55:49 PM »
JD thanks for the manual link and the valve input Weantright. Clay had sent me a service manual the night before.
Because I could not find any marks I made my own on the nut you turn to set TDC. I also inserted a pick into the hole the 1819 dead point tool goes in and measured the depth. Rotated the motor off TDC and measured and there was a few millimeters difference in the depth the pick went in.
Measured the valves before tearing down and came up with the following. Bike has about 60 hours.

Left Intake .178 mm
Right Inake .136 mm
Left Exhaust .228 mm
Right Exhaust .241 mm
Looks like the Right intake is gonna need some adjustement. Looks like your gonna a sell a shim Clay.
Pulled the piston cylinder off and visually inpsected all looks well. Going to measure flatness tomorrow.
For those that leave the engine in the bike the manual left out a step. You will need to remove the bolt holding the left chain guide.

General Discussion / Re: Finding TDC
« on: April 22, 2015, 05:51:03 AM »
Getting the camshafts in time looks straight forward. I am concerned about the the bottom end crankshaft moving. Are there any marks in case if it moves after the chain is dropped.

General Discussion / Finding TDC
« on: April 22, 2015, 04:07:21 AM »
2014 300 sef-r
When checking the valves or doing a piston change are you using the 1819 dead point tool in the service manual to find TDC or are you using a different method? I have not started but wanted to ask for input from those that have. Any tips on these procedures would be appreciated.

General Discussion / Re: 2014 SEF-R Front Fork Shim Count
« on: April 03, 2015, 04:07:22 AM »
Thanks for the input Baker. Measured both springs and they are almost the exact same length not the .060 difference in the stack height. The front end has been good so I guess I will put it back the way I found. Guess I am making something out if nothing.

General Discussion / 2014 SEF-R Front Fork Shim Count
« on: April 02, 2015, 04:09:47 PM »
Blew both fork seals at the last Hare Scrambles. The forks are WP open chamber forks. When I removed the rebound cap to set the oil height I counted 4 plasitic shims under  the cap. Removed the other side counted 3 plastic shims under the cap. Is this correct or is this Sherco's magic valving? Progressive fork springs.

Caliber side fork shim thickness .4375 or 11.10mm
Opposite fork shim thickness    .375 or 9.525 mm

Thanks for any input.

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