DH Motoring

"DHM S2 Cam/Tune Package for 2024 Grom: So first off, there's a whole lot of bent truths around this modification and I want to clear the air for anyone so you can have realistic expectations. Install: I installed this on my 2024 along with the MNNTHBX MTake and Yoshi exhaust. I have no sprocket modifications or any other engine mods period. The install was straightforward but be VERY careful not to bind your cam gear when lining things up, and you'll likely need a lever on the back of the gear to get her to slide back into place. You will need to remove nearly every plastic on the bike and it will take you (being conservative) about two hours to do. It was suggested from DHM to set the valve clearances at .005 inches and also to run 10w40 oil and at least 91 octane. I did siphon the gas and changed the oil after the install. Be careful setting the valve clearances to avoid valve lashing, once you set them, make sure the .006 won't fit and the .005 does without a lot of friction, this is pretty important as I noticed a difference after doing it a second time (I had a feeling the valves weren't closing fully when running it and it was set closer to .003 after tightening so glad I checked). Performance: I have a good benchmark as I have three groms and a buddy who can race alongside me. Prior to install, my buddy on my SF was literally right alongside me from a stop or rolling start, tied in a race in every measurable way pretty much. After install and dialing everything in, I can easily say the bike is faster in low all of the way up to high rpms and its not even close. The bike does "feel" faster, but it was actually a lot faster than I felt it was in the race. Speed: For what everyone is really wondering, the top speed is really not any different, the TRUTH. Getting to top speed is faster, and the bike has more torque so fifth gear is more accessible than before. Hills are easier, I downshift less, and if I wanted to wheely, it's easier. The bike is just a much better feel all around, but DON'T expect to be rolling 75mph on this, it just isn't realistic. I can get to 70 on a long flat, full tuck, and weigh 155-160. It just gets there faster! Communication: Dave is absolutely fantastic at getting back, every single time. Thanks so much Dave, so happy with the purchase and will now be ordering stuff for my SF."

"The best service out there I promise you that excellent company excellent products and recommend this company to anybody. ECU flash one intake and exhaust woke my bike up."

"I ordered a part from dh motoring with 9 dollar shipping on a Wednesday, 9 days before needing the part for an out of town trip. I didn’t receive a confirmation email, then on a Tuesday 6 days later checked the status of my part and the website said the part of out of stock, I sent an email asking about my part and they said that the didn’t have the part in stock and told me that my bike would be fine without it, I’m extremely dissatisfied with this company and the way they handled the whole situation"

"Awesome service. I sent my ecu out on Monday morning 6/26/23 from NC and got it back 6/30/23. Stage 1 tune for my 19 Honda grom. Very satisfied with the service."

"I've been dealing with dhm since i bought my grom and let me tell you something.... parts are quality and service is unmatched. It don't matter how dumb of a question you have, they will answer it and help you understand. If you have issues and reach out, they will help you trouble shoot it and get it right! I can't thank them enough for everything, to include making sure my order was right when i added a component that would work with the rest of my order."