120r transplant
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Road Captain
Joined: Aug 2007
Posts: 562
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120r transplant
Have a chance to buy a 120r that currently is in a 2013 street glide to put into my 2016 cvo street glide. Cvo is a wet head, 120r is not. 2016 is Rushmore, 2013 is not. Doable or start of big headaches? The 120r is owned by a good friend of mine and has 8500 miles. He crashed the 2013 and is moving on to a 2018 cvo sg.. The motor has been carefully checked out by an Indy we both use.
Road Warrior
Joined: Apr 2007
Posts: 1,382
Likes: 404
From: Illinois
Doable, yes.
A few things to consider (and yes, I have a 120R)...
- You will likely need a clutch upgrade to hold the power.
- A lot of 120R engines (mine included) have issues with lifters getting trashed due to very high valve spring pressure and poor quality lifters. If that has been addressed, great. A common thing to do is have beehive springs installed and replace lifters with good quality units (S&S premium, etc..)
- You will need a decent exhaust system
- You will need a decent intake setup (may already be with the engine)
- You will need to have a flash tuner to make it all work since the exhaust will be changing, etc.. They are married to the ECM, so if you already have one for your bike, great, otherwise you will need something like a PowerVision.
- You would have to ditch all that coolant plumbing.
A few things to consider (and yes, I have a 120R)...
- You will likely need a clutch upgrade to hold the power.
- A lot of 120R engines (mine included) have issues with lifters getting trashed due to very high valve spring pressure and poor quality lifters. If that has been addressed, great. A common thing to do is have beehive springs installed and replace lifters with good quality units (S&S premium, etc..)
- You will need a decent exhaust system
- You will need a decent intake setup (may already be with the engine)
- You will need to have a flash tuner to make it all work since the exhaust will be changing, etc.. They are married to the ECM, so if you already have one for your bike, great, otherwise you will need something like a PowerVision.
- You would have to ditch all that coolant plumbing.
Outstanding HDF Member
Joined: Sep 2010
Posts: 2,630
Likes: 185
From: Mountain West, Big Sky Country
Doable, yes.
A few things to consider (and yes, I have a 120R)...
- You will likely need a clutch upgrade to hold the power.
- A lot of 120R engines (mine included) have issues with lifters getting trashed due to very high valve spring pressure and poor quality lifters. If that has been addressed, great. A common thing to do is have beehive springs installed and replace lifters with good quality units (S&S premium, etc..)
- You will need a decent exhaust system
- You will need a decent intake setup (may already be with the engine)
- You will need to have a flash tuner to make it all work since the exhaust will be changing, etc.. They are married to the ECM, so if you already have one for your bike, great, otherwise you will need something like a PowerVision.
- You would have to ditch all that coolant plumbing.
A few things to consider (and yes, I have a 120R)...
- You will likely need a clutch upgrade to hold the power.
- A lot of 120R engines (mine included) have issues with lifters getting trashed due to very high valve spring pressure and poor quality lifters. If that has been addressed, great. A common thing to do is have beehive springs installed and replace lifters with good quality units (S&S premium, etc..)
- You will need a decent exhaust system
- You will need a decent intake setup (may already be with the engine)
- You will need to have a flash tuner to make it all work since the exhaust will be changing, etc.. They are married to the ECM, so if you already have one for your bike, great, otherwise you will need something like a PowerVision.
- You would have to ditch all that coolant plumbing.
what he said, lifters valve springs, clutch, exhaust tuner
the 120R is a good motor, if properly cared for
mine has approx 20k, it just keeps getting better
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