GYTR High Compression Piston
GYTR High Compression Piston

$187.00 - $207.86
10% Off - Save up to $23.09

Description See Also: 2 Reviews 13 Questions Fitment Part Numbers
Item #GYT000K

Read More
2 Reviews
5.0 out of 5 stars
5 Star   2 4 Star   0 3 Star   0 2 Star   0 1 Star   0
Write a Review

Write your review and you'll automatically be entered in our monthly drawing. Include an image or video to DOUBLE your chances to win!

Write Your Review Write a review to win $500
All Reviews
Verified Purchaser
Durability 5/5 Performance 5/5 Power 5/5 Style 5/5
Best Purchase Ever

best performance part for my quad

Mill Creek WV
Durability 4/5 Ease of Installation 3/5 Performance 5/5 Power 5/5 Style 4/5
A Must Have

Just put this in my 2009 YZ250F an right after I got the bike back together and running I could tell a huge difference in the power. It almost threw me off the back because I wasn't expecting my bike to accelerate that much faster. The only down side is the higher cost of the gasoline you have to run, but if your serious about racing this is a must have!

13 Questions
Answered:   10
Not Yet:   3
Location: West Virginia
Q: I have a 2004 yfz450 that has stage 2 and all kind did stuff if I get this piston could I run pump gas or 93 in it?
14 days ago
Location: Othello, WA 99344, USA
Q: I have an 04 YFZ 450 limited edition with just an exhaust and header. also is has a dyno jet injected kit. how much will this piston put me up to?
1 month 18 days ago
Will it keep in 450 cc ?
Top 10 Contributor
1 month 17 days ago
A: You're cc will stay at 450cc until you get a big bore kit. This piston is for bikes that run 100 octane or higher gas.
Location: Millen, GA 30442, USA
Q: I Have A 2016 yfz 450r With DYNOJET PROGRAMMER, STAGE 2 hot cams , want to put a bigger piston . Does it matter if this is a gytr pistion ?
3 months 28 days ago
Is This a 14.1 pistion
Top 25 Contributor Top 500 Contributor Top 50 Contributor Top 10 Contributor Top 100 Contributor Top 250 Contributor
3 months 27 days ago
A: Compression ratio is 13.2:1 for your 2016 Yamaha YFZ450R.
Location: Vermont
Q: GYTR recommends a new oil sprayer for my 2015 250f, can this be installed without splitting the cases?
1 year 1 month ago
Location: Dover, DE, USA
Q: GYTR High compression piston?
1 year 1 month ago
I,trying to this and I want to do a full rebuild and to a two-stage cam on it would I have to re-shim it
Q: Would I need to get a programmer to run this piston in a yfz 450r?
2 years 9 months ago
Expert MotoSport Staff
2 years 9 months ago
A: Most likely for optimum performance you will need to reprogram your YFZ450R when installing the GYTR High Compression Piston.
Q: Would it be bad to run higher than 100 octane fuel with this piston or do I need to run 100?
Over 3 years ago
I currently use 110 octane race fuel for the setup I have now and it is easy for me to get. Would I have to switch to 100 octane?
Expert MotoSport Staff
Over 3 years ago
A: The GYTR High Compression Piston Requires use of minimum 100-octane racing fuel.
Location: Austr
Q: Will this piston fit a 2014 YZ450?
Over 3 years ago
MotoSport Staff Expert
Over 3 years ago
A: No, unfortunately we do not have the GYTR High Compression Piston for your 2014 Yamaha YZ450F at this time.
Location: Norway
Q: Can i use 98octane?
Over 3 years ago
Can i use 98octane insted of 100octane? And how much hp can I expect to gain on my 2013 yz250f?
Top 1 Contributor Top 50 Contributor
Over 3 years ago
A: It is always recommended to use Premium fuel with a GYTR or any other brand High Compression Piston. Depending on the compression ratio and other factors, you may need to use a mix of race gas to eliminate detonation.

As a general rule of thumb, a higher compression piston will give you more low end power in trade for higher RPM power.
Q: Do i need to install new cams with the installation of this product?
Over 3 years ago
MotoSport Staff Expert Top 1 Contributor
Over 3 years ago
A: No, you don't have to run aftermarket camshafts.
1-10 of 13
See all bikes that this part fits...
See Fitments
# Part Numbers
Product Variant Manufacturer Part #
GYTR High Compression Piston 17D-E16A0-V0-00
GYTR High Compression Piston 33D-E16A0-V0-00
GYTR High Compression Piston GYT-5D305-00-00
GYTR High Compression Piston N/A
GYTR High Compression Piston 1SLE16A0V000
Report an Error